Medically reviewed by Susan Bard, MD Key Takeaways A black line on a nail could be melanonychia or a splinter ...

If you have noticed lines that appear like grooves or indentations running horizontally across your fingernails or toenails, you may be wondering what's going on. These are known as "Beau's lines." ...

Doctors often look at fingernails during exams because they may present signs of deeper health issues. Changes in nail color, ...

There is a reason doctors still begin examinations with a simple look at the hands.Long before blood tests, scans, and health ...

Broken and brittle nails are not uncommon, but if you’re seeing white spots on your nails, also known as leukonychia, it’s understandable to be concerned. “Leukonychia is a condition where people get ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...