How coffee could help you live longer

Your morning coffee isn’t just perking you up—it could even help you live longer.

Researchers have discovered that caffeine affects ageing by tapping into an ancient cellular energy system.

A team from Queen Mary University in London have already discovered that caffeine helps cells live longer by acting on a growth regulator called TOR (Target of Rapamycin), a biological switch that tells cells when to grow, based on how much food and energy is available.

But in their latest study, the scientists made a surprising discovery: caffeine doesn’t act on this growth switch directly. Instead, it works by activating another important system called AMPK, a cellular fuel gauge that is evolutionarily conserved in yeast and humans.

The researchers showed that caffeine’s effect on AMPK influences how cells grow, repair their DNA, and respond to stress, all of which are tied to ageing and disease.

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