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Post kidney transplant, most people have a low immunity due to the powerful medications that are prescribed to avoid rejection of the organ. These medications tend to make the patients more prone to infections and hence, following strict dietary guidelines is necessary to avoid any complication. Also, as most people suffering from kidney failure are diabetic, hypertensive or suffer from heart disease, dietary control is mandatory. Moreover, the use of immunosuppressive drugs can increase your risk of diabetes, hypertension or heart disease.
After a kidney transplant, the body requires more proteins to aid in the healing process and improve immunity. This is the reason, why consuming proteins should not be limited. Also, patients who were previously on dialysis had a lower protein intake, post kidney transplant, the consumption of proteins is recommended to be increased. Here are 6 protein sources for vegetarians.
#2: do not eat raw fruits
Intake of raw fruits is not advised as there is a high risk of infection due to raw food. However, you can eat fruits in stewed form as cooking lowers the active bacterial load, thereby lowering your risk of infection.
#3: include curd in your diet
Curd contains good quality protein, which is required for healing post-transplant, hence, curd should be eaten. As far as sour foods like lime and tamarind are concerned, eating them is also okay. But avoid eating grapes as they are known to interact with immune suppressive drugs and hinder healing of the kidney. Also read about 11 diet do’s and don’ts for people with kidney problems.
#4: you need not avoid fruits/ vegetables with seeds
Foods with seeds like tomato, brinjal, ladies finger, guava, watermelon, etc are considered harmless and can be taken after transplant, provided other biochemical parameters like electrolytes and cholesterol are within normal range. Also, ensure that the level of potassium in the blood is within control. However, if you are suffering from kidney stones, it is better to avoid these foods.
#5: you might need to take protein supplements
People who undergo kidney transplants are recommended protein supplements during the initial stage, however, it varies from person to person. In most cases, post kidney transplant, patients recover their appetite, hence there’s no need for any supplements. However, if the patient feels that his protein intake is not optimal, he can continue taking supplements post-transplant, but only after consulting a nephrologist.
Unlike the common misconception that kidney transplant recipients can eat everything after a transplant, you need to follow a disciplined dietary routine with numerous restrictions, depending upon your overall recovery and health. You can start eating out after three to six months of kidney transplantation, as it is the average time taken for the immuno-suppression to be stable and be at a low level. However, raw food, salads, fruits and foods kept open should be strictly avoided, even in general.
Breast cancer is an abnormal growth of cells in the tissues of the breast. Mainly it occurs in females but less than 1% of all the breast cancer cases develop in males. The majority of breast cancers start in the milk ducts. A small number start in the milk sacs or lobules. It can spread to the lymph nodes and to the other parts of the body such as bones, liver, lungs and to the brain.
With more reliable early detection methods as well as the trend towards less invasive surgery, there is hope that even more women with breast cancer will be treated successfully and will go on to resume their normal lives.
Signs & Symptoms
It is painless, especially, during the early stage. Watch out for the following changes in the breast:
- A persistent lump or thickening in the breast or in the axilla.
- A change in the size or shape of the breast.
- A change in the colour or appearance of the skin of the breast such as redness, puckering or dimpling.
- Bloody discharge from the nipple.
- A change in the nipple or areola such as scaliness, persistent rash or nipple retraction (nipple pulled into the breast).
Consult a doctor immediately if you notice any of these changes.
Being a woman puts you at risk of getting breast cancer. There are certain factors that increase the risk of breast cancer. Some of them have been listed below:
- The risk increases with age; most cases of breast cancer develop after the age of 50
- Genetic alterations in certain genes such as BRCA1 and BRCA2
- Family history of breast cancer
- Being overweight
- Early menarche (onset of menstruation before the age of 12)
- Late menopause (after the age of 55)
- Never had children
- Late childbearing
- No breast feeding
- Excessive consumption of alcohol
- Use of hormonal replacement therapy (HRT) for a long period of time
However, most women who have breast cancer have none of the above risk factors. Likewise, not having any of these risk factors does not mean that you will not get breast cancer.
Early Detection and Screening
More treatment options are available when breast cancer is diagnosed at an early stage and hence the chances of recovery is also higher. So regular breast screening is important for early detection even if there are no symptoms. Following are the ways of screening:
- Breast Self-Examination (BSE): Perform BSE once a month about a week after your menses are over. If you no longer menstruate, choose a date each month which is easy to remember e.g. your date of birth or anniversary.
- Clinical Breast Examination: Get a breast specialist to examine your breast once a year if you are 40 years and above.
- Mammogram: Go for a screening mammogram once a year if you are 40 to 49 years old and once every two years if you are 50 years and above even if you do not have any symptom. It is not recommended for younger women (less than 40 years of age) as they have dense breasts, making it difficult for small changes to be detected on a mammogram. So ultrasonography of the breasts is advisable to them.
Types of Breast cancer
- Non-Invasive Breast cancer: These are confined to the ducts within the breasts. They are known as Ductal carcinoma in-situ (DCIS).
- Invasive Breast cancer: It occurs when cancer cells spread beyond the ducts or lobules. Cancer cells first spread to the surrounding breast tissue and subsequently to the lymph nodes in the armpit (Axillary lymph nodes). These cells can also travel to the other parts of the body such as bones, liver, lungs or brain and hence known as metastatic breast cancer.
Making A Diagnosis
If you notice any unusual changes in your breasts, you should see a doctor immediately. He will examine you clinically and may ask you to undergo some tests so that a definitive diagnosis can be made. Further, the staging work up is done to find out the stage of the disease and management accordingly.
Treatment of breast cancer may include various methods such as surgery with or without breast reconstruction, chemotherapy, radiation therapy, hormonal therapy and targeted therapy. Treatment options offered, depend upon the number of factors such as the stage of cancer and likelihood of cure, your general health and your preference.
Is there any other possible cure for herniated disc except operation when the patient has started losing power in one leg while other leg is having radiative pain.
The treatment options for bone cancer depends on the type of cancer one is suffering from, the general health of the patient, the stage of cancer and the general preference of the patient. Different treatment options are designed for different types of cancer, based on the diagnosis. Each treatment responds in a different way. An oncologist decides the treatment options considering all the factors mentioned above. For instance, some cancer is best suited to surgery, while some cancer needs radiotherapy or chemotherapy to curb them. In many cases, all three modes of treatment might be required to tackle the growth of the cancer cells.
The goal of surgery is to eradicate the cancer cells in totality along with some surrounding healthy tissues. This involves special techniques to remove a tumor in one piece. Following are the types of surgeries that are available:
- Removing the cancer cells sparing the limb: At the very first sight, the surgeon tries to understand whether it is possible to separate cancer cells from the tissues and the nerves. If the same is possible, the surgeon tries to save the limb while getting rid of the cancer cells. For the sake of safety and to ensure that the surgery is effective, the surgeon removes some of the healthy bone from the body and may replace the same with tissue from other parts of the body. To achieve this, a doctor might seek the help from of a bone bank or use a special metal prosthesis.
- Surgery that does not involve the limbs: If the bone cancer does not involve the legs and the arm, surgeons can remove the affected bone along with some healthy bone from the surrounding areas. Cancer of the ribs and the spine are good examples of this type.
- Surgery that affects the limb: Bone cancer that has spread to a significant extent and is strategically located in such areas that it is very difficult to remove, requires amputation. While this form of treatment is being increasingly discouraged by the wider medical community, it still does exist. In such cases, patients are fitted with artificial limbs and trained to do their job without the use of natural limbs.
This is a form of drug treatment that uses powerful chemicals to kill cancer cells throughout the body. This medication is mostly given through an IV and the medication kills whatever cancer cells it comes across.
Radiation therapy involves the use of special X-ray beams that have high power and can kill cancer cells. The patients are required to lie on a table, while a machine moves around the affected area and treats it with high energy X-rays, thereby killing the cancer cells. Radiation therapy is often used in conjunction with chemotherapy to reduce the size of a tumor before operating on it. Also, Brachytherapy is another kind of radiotherapy in which plastic tubes for introducing radioactive sources are placed over tutor bed during surgery, later it is connected with brachytherapy machine to give extra high dose to tutor bed to improve cure rates.
In case you have a concern or query you can always consult an expert & get answers to your questions!
Lung cancer is the uncontrolled growth of abnormal cells in one or both lungs. These abnormal cells do not carry out the functions of normal lung cells and do not develop into healthy lung tissue. As they grow, the abnormal cells can form tumors and interfere with the functioning of the lung, which provides oxygen to the body via the blood.
Lung cancer is the most common cause of death due to cancer in both men and women throughout the world. According to the U.S. National Cancer Institute, approximately one out of every 14 men and women in the U.S. is diagnosed with cancer of the lung at some point in their lifetime. Lung cancer is predominantly a disease of the elderly; almost 70% of people diagnosed with lung cancer are over 65 years of age, while less than 3% of lung cancers occur in people under 45 years of age.
What Causes Lung Cancer?
The development of lung cancer is strongly associated with cigarette smoking, approximately 90% of lung cancers are attributable to use of tobacco. Pipe and cigar smoking can also cause lung cancer, but the risk is not as high as with cigarette smoking. Tobacco smoke contains more than 4,000 chemical compounds, many of which are cancer causing (carcinogens). Passive smoking, i.e. the inhalation of tobacco smoke by non-smokers who live or work with smokers, is also an established risk factor for the development of lung cancer.
Genetic susceptibility (i.e. family history) may play a role in the development of lung cancer. Other causes of lung cancer include air pollution (from vehicles, industry, and power generation) and inhalation of asbestos fibres (usually in the workplace).
Lung Cancer Symptoms:
Early symptoms and signs of lung cancer:
There may be no symptoms at the onset of the disease. When present, common symptoms of lung cancer may include:
- Coughing: This includes a persistent cough that doesn't go away or changes to a chronic smoker's cough, such as more coughing or pain.
- Coughing up blood: Coughing up blood or rust-colored sputum (spit or phlegm) should always be discussed with your doctor.
- Breathing Difficulties: Shortness of breath, wheezing or noisy breathing (called stridor) may all be signs of lung cancer.
- Loss of Appetite: Many cancers cause changes in appetite, which may lead to unintended weight loss.
- Fatigue: It is common to feel weak or excessively tired.
- Recurring infections: Recurring infections, like bronchitis or pneumonia, may be one of the signs of lung cancer.
Signs of advanced stages of lung cancer: Advanced stages of lung cancer are often characterized by the spread of cancer to distant sites in the body. This may affect the bones, liver or brain. As other parts of the body are affected, new lung cancer symptoms may develop, including:
- Bone pain
- Swelling of the face, arms or neck
- Headaches, dizziness or limbs that become weak or numb
- Lumps in the neck or collar-bone region
Treatment: Treatment for cancer involves a combination of surgery to remove cancer cells, chemotherapy and radiation therapy to kill cancer cells. Lung cancer is incurable unless complete surgical removal of the tumour cells can be achieved. Surgery is the most effective treatment for lung cancer, but only a few percentage of lung cancers are suitable for surgery i.e. Stage I and II NSCLC and cancer that has not spread beyond the lung.
Radiation therapy may be used for both NSCLC and SCLC and is a good option for people who are not suitable for surgery or who refuse surgery. Chemotherapy is used for both NSCLC and SCLC. Chemotherapy drugs may be given alone or in combination with surgery or radiation therapy. Chemotherapy is the treatment of first choice for SCLC since it has usually spread extensively in the body by the time it has been diagnosed.
Also used in the treatment of lung cancer are targeted therapies. These are drugs (gefitinib and erlotinib) or antibodies (cetuximab, bevacizumab) that block the growth and spread of cancer by interfering with specific molecules involved in tumor growth and progression. They are used in some patients with NSCLC that does not respond to standard chemotherapy.
I have a Acl tear in my left knee doctor advised for an operation should I go for it I am a athlete and 21 year old male.
Liver transplantation or hepatic transplantation is the second most carried out transplant procedure in the world. It is a potentially difficult surgery that is performed by a team of two to four surgeons along with the help of anesthesiologists and nurses. It takes around 10 to 12 hours to complete the procedure as there are many anastomoses, sutures, reconnections, and disconnections, which are to be performed under the liver bed which is necessary for the transplant to be a success.
Tests required before a transplant is planned
- Computed tomography, or CT scan which employs X-rays and a computer to create pictures of the liver, showing its size and shape. CTs and chest X-rays are also recorded to evaluate your heart and lungs.
- Laser Doppler flowmetry: to check if the blood vessels to and from the liver are normal.
- Echocardiogram to check the status of heart function.
- Pulmonary function test or lung capacity test to study and determine the lungs' ability to exchange oxygen and carbon dioxide.
- Blood tests are performed to determine the patient's blood type, clotting ability, and biochemical status of blood, and to determine liver function.
The liver transplant procedure
- After an admission at the hospital, an Intravenous line is started in the patient's arm or hand. Other tubes (catheters) are put in their neck and wrist, or their collarbone or the area between the belly and the thigh (the groin). These are used to check heart and blood pressure, and to get blood samples.
- The patient is placed on the back, over the operating table.
- If there is too much hair at the surgical site, it may be shaved.
- A catheter is placed into the bladder to drain urine.
- After the patient is sedated, the anesthesiologist will insert a tube into the lungs. This is done so that the breathing can be helped with a ventilator. The anesthesiologist will keep checking the heart rate, blood pressure, breathing, and blood oxygen level during the surgery.
- The skin at the surgical site will be cleaned with a sterile (antiseptic) solution.
- The doctor will make a cut (incision) just under the ribs on both sides of the belly.
- The doctor will carefully separate the diseased or the injured liver from the nearby organs and structures.
- The attached arteries and veins are then clamped to stop the blood flow into the diseased liver.
- The diseased liver will be cut off from the blood vessels and then removed.
- The surgeon will check the donor liver before implanting it into the body.
- The donor's liver is placed in the patient's body.
- The incision will then be closed with sutures or surgical staples.
In case you have a concern or query you can always consult an expert & get answers to your questions!
Breast Cancer Prevention:
Anything that increases your chance of developing cancer is called a cancer risk factor; anything that decreases your chance of developing cancer is called a cancer protective factor.
Some risk factors for cancer can be avoided, but many cannot. For example, both smoking and inheriting certain genes are risk factors for some types of cancer, but only smoking can be avoided. Regular exercise and a healthy diet may be protective factors for some types of cancer. Avoiding risk factors and increasing protective factors may lower your risk but it does not mean that you will not get cancer. Different ways to prevent cancer are being studied, including:
Changing lifestyle or eating habits. Avoiding things known to cause cancer. Taking medicine to treat a precancerous condition or to keep cancer from starting.
General information about breast cancer:
Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast. Breast cancer is the second most common type of cancer in india
Breast cancer is a disease in which malignant (cancer) cells form in the tissues of the breast.
The breast is made up of lobes and ducts. Each breast has 15 to 20 sections called lobes, which have many smaller sections called lobules. Lobules end in dozens of tiny bulbs that can make milk. The lobes, lobules, and bulbs are linked by thin tubes called ducts.
Enlarge Drawing of female breast anatomy showing the lymph nodes, nipple, areola, chest wall, ribs, muscle, fatty tissue, lobe, ducts, and lobules.
Anatomy of the female breast. The nipple and areola are shown on the outside of the breast. The lymph nodes, lobes, lobules, ducts, and other parts of the inside of the breast are also shown.
Each breast also has blood vessels and lymph vessels. The lymph vessels carry an almost colorless fluid called lymph. Lymph vessels lead to organs called lymph nodes. Lymph nodes are small bean-shaped structures that are found throughout the body. They filter lymph and store white blood cells that help fight infection and disease. Clusters of lymph nodes are found near the breast in the axilla (under the arm), above the collarbone, and in the chest.
Avoiding risk factors and increasing protective factors may help prevent cancer. The following are risk factors for breast cancer:
Older agea personal history of breast cancer or benign (noncancer) breast diseasea family history of breast cancerinherited gene changesdense breasts
The following are protective factors for breast cancer:
Less exposure of breast tissue to estrogen made by the bodytaking estrogen-only hormone therapy after hysterectomy,
Estrogen-only hormone therapy after hysterectomyselective estrogen receptor modulatorsaromatase inhibitors and inactivators
Risk-reducing mastectomy ovarian ablationgetting enough exercise
It is not clear whether the following affect the risk of breast cancer:
Factors include smoking, being overweight, and not getting enough exercise. Increasing protective factors such as quitting smoking and exercising may also help prevent some cancers. Talk to your doctor or other health care professional about how you might lower your risk
Older age is the main risk factor for most cancers. The chance of getting cancer increases as you get older.
A personal history of breast cancer or benign (noncancer) breast disease
Women with any of the following have an increased risk of breast cancer:
A personal history of invasive breast cancer, ductal carcinoma in situ (dcis), or lobular carcinoma in situ (lcis). A personal history of benign (noncancer) breast disease.
A family history of breast cancer
Women with a family history of breast cancer in a first-degree relative (mother, sister, or daughter) have an increased risk of breast cancer.
Inherited gene changes:
Women who have inherited changes in the brca1 and brca2 genes or in certain other genes have a higher risk of breast cancer, ovarian cancer, and maybe colon cancer. The risk of breast cancer caused by inherited gene changes depends on the type of gene mutation, family history of cancer, and other factors.
Men who have inherited certain changes in the brca2 gene have a higher risk of breast, prostate, and pancreatic cancers, and lymphoma.
Having breast tissue that is dense on a mammogram is a factor in breast cancer risk. The level of risk depends on how dense the breast tissue is. Women with very dense breasts have a higher risk of breast cancer than women with low breast density.
Increased breast density is often an inherited trait, but it may also occur in women who have not had children, have a first pregnancy late in life, take postmenopausal hormones, or drink alcohol.
Exposure of breast tissue to estrogen made in the body
Estrogen is a hormone made by the body. It helps the body develop and maintain female sex characteristics. Being exposed to estrogen over a long time may increase the risk of breast cancer. Estrogen levels are highest during the years a woman is menstruating.
A woman's exposure to estrogen is increased in the following ways:
Early menstruation: beginning to have menstrual periods at age 11 or younger increases the number of years the breast tissue is exposed to estrogen. Starting menopause at a later age: the more years a woman menstruates, the longer her breast tissue is exposed to estrogen. Older age at first birth or never having given birth: because estrogen levels are lower during pregnancy, breast tissue is exposed to more estrogen in women who become pregnant for the first time after age 35 or who never become pregnant.
Taking hormone therapy for symptoms of menopause:
Hormones, such as estrogen and progesterone, can be made into a pill form in a laboratory. Estrogen, progestin, or both may be given to replace the estrogen no longer made by the ovaries in postmenopausal women or women who have had their ovaries removed. This is called hormone replacement therapy (hrt) or hormone therapy (ht). Combination hrt/ht is estrogen combined with progestin. This type of hrt/ht increases the risk of breast cancer. Studies show that when women stop taking estrogen combined with progestin, the risk of breast cancer decreases.
Radiation therapy to the breast or chest:
Radiation therapy to the chest for the treatment of cancer increases the risk of breast cancer, starting 10 years after treatment. The risk of breast cancer depends on the dose of radiation and the age at which it is given. The risk is highest if radiation treatment was used during puberty, when breasts are forming.
Radiation therapy to treat cancer in one breast does not appear to increase the risk of cancer in the other breast.
For women who have inherited changes in the brca1 and brca2 genes, exposure to radiation, such as that from chest x-rays, may further increase the risk of breast cancer, especially in women who were x-rayed before 20 years of age.
Obesity increases the risk of breast cancer, especially in postmenopausal women who have not used hormone replacement therapy.
Drinking alcohol increases the risk of breast cancer. The level of risk rises as the amount of alcohol consumed rises.
The following are protective factors for breast cancer:
Less exposure of breast tissue to estrogen made by the body
Decreasing the length of time a woman's breast tissue is exposed to estrogen may help prevent breast cancer. Exposure to estrogen is reduced in the following ways:
Early pregnancy: estrogen levels are lower during pregnancy. Women who have a full-term pregnancy before age 20 have a lower risk of breast cancer than women who have not had children or who give birth to their first child after age 35. Breast-feeding: estrogen levels may remain lower while a woman is breast-feeding. Women who breastfed have a lower risk of breast cancer than women who have had children but did not breastfeed.
Taking estrogen-only hormone therapy after hysterectomy, selective estrogen receptor modulators, or aromatase inhibitors and inactivators
Estrogen-only hormone therapy after hysterectomy
Hormone therapy with estrogen only may be given to women who have had a hysterectomy. In these women, estrogen-only therapy after menopause may decrease the risk of breast cancer. There is an increased risk of stroke and heart and blood vessel disease in postmenopausal women who take estrogen after a hysterectomy.
Selective estrogen receptor modulators:
Tamoxifen and raloxifene belong to the family of drugs called selective estrogen receptor modulators (serms). Serms act like estrogen on some tissues in the body, but block the effect of estrogen on other tissues.
Treatment with tamoxifen lowers the risk of estrogen receptor-positive (er-positive) breast cancer and ductal carcinoma in situ in premenopausal and postmenopausal women at high risk. Treatment with raloxifene also lowers the risk of breast cancer in postmenopausal women. With either drug, the reduced risk lasts for several years or longer after treatment is stopped. Lower rates of broken bones have been noted in patients taking raloxifene.
Taking tamoxifen increases the risk of hot flashes, endometrial cancer, stroke, cataracts, and blood clots (especially in the lungs and legs). The risk of having these problems increases with age. Women younger than 50 years who have a high risk of breast cancer may benefit the most from taking tamoxifen. The risk of having these problems decreases after tamoxifen is stopped.
Taking raloxifene increases the risk of blood clots in the lungs and legs, but does not appear to increase the risk of endometrial cancer. In postmenopausal women with osteoporosis (decreased bone density), raloxifene lowers the risk of breast cancer for women who have a high or low risk of breast cancer. It is not known if raloxifene would have the same effect in women who do not have osteoporosis. Talk with your doctor about the risks and benefits of taking this drug.
Aromatase inhibitors and inactivators:
Aromatase inhibitors (anastrozole, letrozole) and inactivators (exemestane) lower the risk of a new breast cancer in women who have a history of breast cancer. Aromatase inhibitors also decrease the risk of breast cancer in women with the following conditions:
Postmenopausal women with a personal history of breast cancer. Women with no personal history of breast cancer who are 60 years and older, have a history of ductal carcinoma in situ with mastectomy, or have a high risk of breast cancer based on the gail model tool (a tool used to estimate the risk of breast cancer).
In women with an increased risk of breast cancer, taking aromatase inhibitors decreases the amount of estrogen made by the body. Before menopause, estrogen is made by the ovaries and other tissues in a woman's body, including the brain, fat tissue, and skin. After menopause, the ovaries stop making estrogen, but the other tissues do not. Aromatase inhibitors block the action of an enzyme called aromatase, which is used to make all of the body's estrogen. Aromatase inactivators stop the enzyme from working.
Possible harms from taking aromatase inhibitors include muscle and joint pain, osteoporosis, hot flashes, and feeling very tired.
Some women who have a high risk of breast cancer may choose to have a risk-reducing mastectomy (the removal of both breasts when there are no signs of cancer). The risk of breast cancer is much lower in these women and most feel less anxious about their risk of breast cancer. However, it is very important to have a cancer risk assessment and counseling about the different ways to prevent breast cancer before making this decision.
The ovaries make most of the estrogen that is made by the body. Treatments that stop or lower the amount of estrogen made by the ovaries include surgery to remove the ovaries, radiation therapy, or taking certain drugs. This is called ovarian ablation.
Premenopausal women who have a high risk of breast cancer due to certain changes in the brca1 and brca2 genes may choose to have a risk-reducing oophorectomy (the removal of both ovaries when there are no signs of cancer). This decreases the amount of estrogen made by the body and lowers the risk of breast cancer. Risk-reducing oophorectomy also lowers the risk of breast cancer in normal premenopausal women and in women with an increased risk of breast cancer due to radiation to the chest. However, it is very important to have a cancer risk assessment and counseling before making this decision. The sudden drop in estrogen levels may cause the symptoms of menopause to begin. These include hot flashes, trouble sleeping, anxiety, and depression. Long-term effects include decreased sex drive, vaginal dryness, and decreased bone density.
Getting enough exercise:
Women who exercise four or more hours a week have a lower risk of breast cancer. The effect of exercise on breast cancer risk may be greatest in premenopausal women who have normal or low body weight.
It is not clear whether the following affect the risk of breast cancer:
Certain oral contraceptives contain estrogen. Some studies have shown that taking oral contraceptives (" the pill") may slightly increase the risk of breast cancer in current users. This risk decreases over time. Other studies have not shown an increased risk of breast cancer in women who take oral contraceptives.
Progestin -only contraceptives that are injected or implanted do not appear to increase the risk of breast cancer. More studies are needed to know whether progestin-only oral contraceptives increase the risk of breast cancer.
Studies have not proven that being exposed to certain substances in the environment, such as chemicals, increases the risk of breast cancer.
Studies have shown that some factors do not affect the risk of breast cancer.
The following do not affect the risk of breast cancer:
Having an abortion. Making diet changes such as eating less fat or more fruits and vegetables. Taking vitamins, including fenretinide (a type of vitamin a). Cigarette smoking, both active and passive (inhaling secondhand smoke). Using underarm deodorant or antiperspirant. Taking statins (cholesterol -lowering drugs). Taking bisphosphonates (drugs used to treat osteoporosis and hypercalcemia) by mouth or by intravenous infusion.
Cancer prevention clinical trials are used to study ways to prevent cancer.