Genes and chance are a big part of living to 100, but lifestyle factors can play a role, too.
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- Alyson van Raalte is a demographer who researches why some people live longer than others.
- You don't need to live in a Blue Zone to reach the age of 100, she said.
- Not smoking, having an active mind, and a thriving social network could help you live longer.
Blue Zones, the five places worldwide where people reach the age of 100 at unusually high rates...