Can you please describe the basic things i should be aware of and do to prevent cancer?

Cancer: Check on your family history for prostate cancer, breast cancer. Avoid smoking or chronic exposure of second hand smoke that can lead to lung cancer, bladder cancer. Avoid chewing tobacco to avoid oral and pharyngeal cancer. Decrease amount of red meats to prevent colon cancer. Avoid exposure to chemicals. Eat a healthy diet, a lot of veggies, fruits, antioxidants, avoid fatty foods.