To find out if yellow nails are due to a deficiency, you'll need a blood test to check nutrient levels. Once a deficiency is ...

It's time to stop ignoring your toes. “Healthy nails have a plump, pink nail bed and pink nail plate with strong but thin nails,” says Dr. Dana Canuso, podatric surgeon and founder of Dr. Canuso ...

As simple an issue as yellow nails may seem, it can be tough for even experts to pinpoint the cause. "Every time somebody comes in with a nail change, I put on my super-sleuth hat," Dr. Kristen Lo ...

Turning your fingernails and toenails into vibrant works of art can showcase your style and personality. But what happens when your nails change color on their own? In that case, you might wonder if ...

Thick, yellow, and brittle toenails are often caused by fungal infections like onychomycosis, which thrives in moist environments and on keratin. Risk factors include diabetes, poor circulation, and ...

A badge of honour for ultra-runners, black toenails are caused by blood pooling beneath the nail. The most likely cause? Very long runs in ill-fitting shoes. "There should be 1cm between the end of ...