“It seems like not many people knew that nail biting could cause such a big issue, including myself,” Gabby Swierzewski tells PEOPLE Tereza Shkurtaj is a writer-reporter at PEOPLE. She has been ...

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 ...

Gabby Swierzewski has been a nail-biter for as long as she can remember. The habit began in childhood and followed her through adulthood, rarely causing more than the occasional sore finger or ...