10 tips to live to be 100: ‘Far more than wishful thinking,' say longevity experts

Nearly 90,000 people were at least 100 years and older in the U.S. as of 2021 , almost double the amount 20 years prior.

The odds of being alive for a full century depend on many different factors, including genetics, location, gender and socioeconomics.

A strong sense of curiosity is seen as a key to living a long, healthy life.

Even just 10 minutes of movement per day can have a major impact, experts say.

Intermittent fasting is the only dietary approach shown in animal studies to extend lifespan .

Diet is one of the most controllable factors for longevity, experts agree.

For a better night 's sleep, sleep the "ultimate longevity biohack".

People who consume low-sugar, probiotic-rich fermented foods like yogurt, kefir , kimchi and miso improved gut microbiota diversity.

To regulate portion sizes and prevent obesity, Tandon recommends following the " 80 rule" when eating.

Having a sense of purpose in life results in better cognitive function and longevity.