"Anyone who eats a healthy diet, does a lot of sports and leads a balanced life will stay healthy and have a long life."In this or a similar way, society suggests to us that we do not need to be afraid of serious illnesses if we pay attention to our self and our body.I've always looked out for myself. I did a lot of sports and had a healthy diet. My life was balanced, I was happy and had a great girlfriend who has been with me for many years.Still...