Skipping important health tests could be a matter of life and death, especially for men, who are less likely to see their doctors on a regular basis. Getting the right screening test at the right time is one of the most important things a man can do for his health. Male medical exams find diseases early, before the symptoms, when they're easier to treat. With early detection, colon cancer can be nipped in the bud. Based on your individual health conditions, the doctor will determine which tests you should have, and how often to have them. These general visits can help you avoid problems in the future. For example, the only way to find out if you have high blood pressure is to have it checked regularly. High blood sugar and high cholesterol levels also may not have any symptoms in the early stages. Simple blood tests can check for these conditions. Excess weight increases your risk for diabetes and heart disease. Your body mass index (BMI) measures your body fat based on your height and weight, and it can determine if you're overweight or at risk for developing obesity. Health checks for men should begin at 20 years of age if you have certain risk factors, which include diabetes, smoking, BMI over 30, family history of stroke, first degree relatives who've had heart attacks.