What is a cancer and HIV how it will come to human life how we control any precautions is there.

Question

Hiv is contagious infection caused through sexual contact, unhygienic conditions or by getting transferred by using of infected syringes and needles or any time through infected blood transfusion. Many a times there is severe immune deficiency in the body and such infection is caught easily.
Cancer is not contagious but immune deficiency is the cause in addition to other causes. It can happen due to chromosomal changes in the body or by things which constantly irritate the body such as mouth cancers caused by chewing paan masala, it is a long subject.

Jawahar Ticku · Accepted Answer

Hiv is contagious infection caused through sexual contact, unhygienic conditions or by getting transferred by using of infected syringes and needles or any time through infected blood transfusion. Many a times there is severe immune deficiency in the body and such infection is caught easily.
Cancer is not contagious but immune deficiency is the cause in addition to other causes. It can happen due to chromosomal changes in the body or by things which constantly irritate the body such as mouth cancers caused by chewing paan masala, it is a long subject.