Longevity researcher’s No. 1 tip for 20-year-olds looking to live long [Video]

For two decades, Dan Buettner has studied longevity in places like Ikaria, Greece and Okinawa, Japan. While identifying the world’s “Blue Zones,” the five areas with the longest-living people, the researcher has studied what factors lead to prolonged lifespans.

Buettner says that picking up healthy habits, even later in life, can positively affect a person’s longevity. This is especially true when it comes to being mindful about the foods you eat.

“The average 20-year-old female could live about 10 extra years if they ate a Blue Zone type diet,” Buettner says, referring to a whole-food, plant-based diet. Men, he found, could live an extra 13 years if they eat like Blue Zone residents. “Even for a 60-year-old, it’s worth six extra years of life expectancy.”

But you don’t need to wait until your golden years to start to see results. Buettner says there is one key thing people in their …