You can compensate for bad genes by healthy living and you can also ruin perfectly good genes with poor habits.  Find fun ways to stay in shape, such as dancing, gardening, swimming, walking or jogging.  Include strength training.  Doing exercise will help you live longer and decrease stress.  Don’t forget about working out your brain!  Keep learning about whatever interests you.  Scientists agree that challenging metal tasks can help prevent the brain from aging.  It might be a new language to learn, study courses, books to read, puzzles to solve or any activity that imparts new knowledge and challenges you.