The non-educated ones are taking the risk, and they may have no idea that they are at risk. If you can educate that group of people, then everyone will know the risks involved. About a half million people die of cancer each year, but a little over 700,000 die of heart disease. Deaths from heart disease are going down. It has been going down because people have been educated.
Heart disease is a disease that people can do something about.
They can change their diet, exercise more, and stop smoking. What's important is being a good listener and being empathetic with people. Doctors can make very good decisions based on knowledge and how they feel about the situation. The schools emphasize IQs. I don't think you need to be a genius to be a doctor.