If your nails are brittle, thin and easily breakable, you may be wondering if it’s time to pay a visit to your dermatologist. While changes to the color, texture and shape of your nails aren’t always ...

Medically reviewed by Casey Gallagher, MD Key Takeaways Yellow nails can be caused by nail polish, smoking, and fungal infections. Medical conditions like diabetes and thyroid disorders can also cause ...

Have you ever taken off your nail polish only to notice a dark line on the nail running vertically down your finger? These ...

Strong fingernails don’t start in the supplement aisle. Even though for the better part of two decades, biotin, a common name for vitamin B7, was an incredibly popular nail-growth aid, in 2017, the ...