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It used to be thought that the lungs couldn’t regenerate,” says Dr Charlotte Dean, head of the lung development and disease group…

This is a common misconception, says Prof Leigh Breen, a muscle physiology specialist at the University of Leicester, though it’s…

Cholesterol, a fatty substance mostly made by the liver and used by the body to build cells and produce hormones,…

The trillions of microorganisms that live in and on our bodies – known as the microbiome – have been hailed…

It’s an increasingly popular idea: “boosting” testosterone with diet tweaks – increasing foods rich in zinc and magnesium – hoping…

Fibre has replaced protein as TikTok health influencers’ macronutrient du jour, with “fibremaxxers” urging followers to pack as much roughage…

In order to lose weight, most people need to maintain a calorie deficit over a sustained period, says Bethan Crouse, a…

‘I wish that by plucking a single hair you would get more to grow back,” says Desmond Tobin, professor of…

‘Generally speaking, yes,” says Bethan Crouse, a performance nutritionist from Loughborough University, but it’s not a one-size-fits-all rule. Humans burn…

‘This is kind of true,” says consultant dermatologist Dr Emma Craythorne. Human skin has evolved to retain water, thanks to…