Nail-biting, known medically as onychophagia, has long been considered a common habit, especially among children and teenagers. Yet doctors caution that the behaviour can be far more damaging than it ...

Testing a wild idea to see if human teeth can bite through a finger—definitely not recommended!

Numerous everyday behaviours can accelerate the ageing process. Smoking, alcohol consumption and sun exposure are all widely recognised for damaging your skin and making your face appear older, but ...