India, May 20 -- The circadian rhythm is the body's natural 24-hour internal clock that regulates all essential functions, such as the sleep cycle, hormone production, and metabolism. According to Dr Vassily Eliopoulos, a longevity expert trained at Cornell University and co-founder and chief medical officer of Longevity Health, it also determines how fast we age.

Taking to Instagram on May 20, Dr Vass stated, "Most people think ageing is inevitable. But there's a hidden variable that determines how fast you age: your circadian rhythm. Your internal 24-hour clock controls everything from metabolism to immunity to cellular repair."

When the circadian rhythm of the body is optimised, every system functions at peak efficiency, noted Dr Vas...