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 ...

Subungual onychomycosis is the most common type of toenail fungus and affects the nail bed and underside of the nail. White superficial onychomycosis causes white spots and flaky patches on the ...

Toenails can reveal clues about your health and lifestyle. While brittle toenails often just happen along with aging, they could also hint at a vitamin deficiency or a fungal infection. By zeroing in ...