Changes in nail colour, shape, or texture are not normal and can indicate underlying health issues, nutrient deficiencies, or ...

also called excoriation disorder), and onychophagia (compulsive nail biting). The prevalence of BFRBs is estimated to be at least 3 percent of the population, affecting both children and adults.

In some cases, these changes can also be linked to alopecia areata, a disorder that causes hair loss. If nail pitting is accompanied by joint pain or scaly patches on the skin, medical evaluation ...