One of the most important roles of Medicare in keeping people healthy is the coverage of preventive serv ices.   Preventive services include Vaccines , which is the primary key to avoiding diseases and to prevent you from aging well . Lucky to say that Medicare now helps pay for four vaccines, each of which you should discuss with your doctor to protect yourself.  Influenza Vaccine The flu or influenza is a contagious respiratory disease that can be severe and life-threatening. Older adults, even those who are healthy, are at higher risk when it comes to the flu due to age-related weakening of their immune systems which makes it more difficult for them to fight off disease. In 86% of adults, 65+ are managing a chronic condition like diabetes or heart disease, with this, the flu can be even more dangerous because they are more likely to develop complications or become hospitalized. According to the CDC, the best way to prevent the flu is through a flu va...