When body-focused repetitive behaviors (BFRBs) are discussed, the conditions that typically come to mind include trichotillomania (hair pulling) and excoriation disorder (skin picking). However, one ...

Medically reviewed by Susan Bard, MD Melanonychia, a black line on your nail, can be a sign of melanoma or benign pigmentation changes.Injuries, medications, and conditions like hyperthyroidism may ...

If you’re someone who bites their nails, you’ve probably been told to just stop countless times. But here’s what those well-meaning advice-givers don’t understand — your nail-biting habit isn’t just a ...

Nail biters want to know. Nail biters want to know. Credit...Elizabeth Renstrom for The New York Times Supported by By Jennifer Hussein No matter your algorithmic preferences, if you’re scrolling ...