Hi thanks for choosing HCM I understand your concern completely Please dont be afraid of dying it is nothing to worry your immune system is the best defence system in this universe and it can manage multiple attacks at the same time at multiple sites too. so be relax it is doing its task efficiently but still if you want to help him then i would advise you some modifications that you can do to help your immune system work more efficiently. these are: Don t smoke. Eat a diet high in fruits, vegetables, and whole grains, and low in saturated fat. Exercise regularly. Maintain a healthy weight. Control your blood pressure. If you drink alcohol, drink only in moderation. Get adequate sleep. Take steps to avoid infection, such as washing your hands frequently and cooking meats thoroughly. Get regular medical screening tests for people in your age group and risk category.