Those with high cholesterol might observe their nails turning yellowish. Small bumps, known as xanthomas, might also appear due to cholesterol accumulation under the skin. David Attenborough has ...

Toenails are usually semi-transparent but can turn purple, black ... than fingernails, with the infection typically developing on the big toe first. Toenail fungus can begin as a skin infection ...

plenty of over-the-counter skin care products can help remedy discoloration over time. To help you determine the best way to treat your dark under-eye circles, I spoke to dermatologists about ...