Don't smoke or use other tobacco products. Even people who quit later in life can improve their health.
Overweight people tend to have more medical problems.
Simple things like getting a yearly flu shot and a periodic pneumonia vaccination can help you live longer. Short-term memory loss often associated with aging can be lessened with daily mental engagement. People who stay connected with family, community and friends live longer than those who are isolated. The same is true for those who maintain a spiritual connection. It will help you maintain your independence, which also is linked to longer life.