As the living standard improves ,more and more people are paying attention to their healthy conditions Of cause ,different people have different ways to keep healthy But here ,I'll tell you the best way to stay healthy in my way Do exercise Our lives can't live without exercise Though the animals experiment we found that wild animals'lives expectancy are twice higher than stable breeding animals Morever ,It has been confirmed that most of more than hundred yeas old person are all manual works by large amount of data