Four keys to healthy aging

Everyone knows eating right, exercising, and shunning smoking and other bad habits increases our chances of having a long and healthy life. If you're only hitting some of these goals, you're likely missing out on the full benefits that come with living a healthy lifestyle across the board, a new study shows.

Source: http://rss.cnn.com/~r/rss/cnn_health/~3/0AzONdLDTHg/index.html

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