A 55-year-old health founder shared 55 reasons he feels his fittest, sharpest, and happiest. 5 tips could add 10 years to your life.

• A 55-year-old health business founder marked his 55th birthday by sharing 55 reasons he feels healthy. • Kevin Dahlstrom's viral X post promoted quality sleep and strong social connections. • Dahlstrom told Business Insider his health has been his priority since he fell ill in his 20s.

A health founder marked his 55th birthday by sharing 55 reasons he believes he's his "fittest, sharpest, and happiest" — but you probably only need to follow five to improve your health.

Kevin Dahlstrom, the founder of Bolt. Health, an online testosterone replacement therapy clinic based in Colorado, shared his advice in an X post on Monday. It amassed 4.1 million views and was reposted by Bill Ackman.

In the post, Dahlstrom said that his vitality wasn't down to a secret formula or winning the DNA l