When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

Losing a toenail can be a disconcerting experience. Our toenails play a vital role in protecting our toes from injury and helping us maintain balance. While it’s not uncommon for toenails to fall off ...

Black toenails are usually the result of toenail injury. However, there are other things that can cause a black toenail, including fungal or bacterial infections. Most cases of black toenails aren’t ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Sarah Jividen, RN, BSN, is a trained neuro/trauma, and emergency room nurse turned healthcare writer. As a journalism major, she combined her love for writing with her passion for high-level patient ...

Toenail fungus often starts with mild nail discoloration or lifting. It’s not usually serious, but the nails may thicken, become brittle, or fall off without treatment. Nail fungus (onychomycosis) is ...

Nail fungus and nail psoriasis are two conditions that affect the nails. They have similar symptoms, and you can have both fungus and psoriasis at the same time, but they are different and have ...