Gout is a type of inflammatory arthritis characterised by sudden, severe joint pain, often in the big toe, caused by the ...

Subungual melanoma, which appears under fingernails and toenails, is a rare but serious form of skin cancer that typically ...

"In certain cases, health issues such as anemia, thyroid dysfunction, and vitamin deficiencies can cause bumpiness on the nails," one expert told Newsweek.