Melatonin, the hormone that regulates sleep-wake cycles, is increasingly used as a sleep aid for children. But does it work, and is it safe? Katharine Lang reports “The use of melatonin in typically ...

Ray McMahon often lived up to the stereotype of the affable Irishman: he was a friendly, relaxed man who enjoyed a party and might knock out a song at the end of a convivial evening. But underneath ...

Ministers have vowed to “crack down on cowboy cosmetic procedures,” after a rise in unqualified and rogue operators left people “maimed, injured and in need of urgent NHS care.” Under the new rules, ...