7 Foods that Might Help You Live Longer

  

4. Sweet potato

Most of us like sweet potatoes. They taste really great with curries and stews, and are a lighter option than traditional carbs like roast potatoes. People who live in Japan or Okinawa have the longest life expectancy in the world and lowest heart disease and cancer rates due to their big consumption of the vegetables.

More: 7 Healthy Snacks for Perfect Skin