Yellow nails are often caused by staining from smoking or frequent use of nail polish. However, they can also be a sign of a health condition, including nail infections, thyroid disorders, psoriasis, ... An analysis of genetic sequencing data and gene and protein expression studies from patients with yellow nail syndrome (YNS) found that defects in the planar cell polarity (PCP) pathway play a ...

Context Explanation

Yahoo: What to Do if Your Toenails Turn Purple, Yellow, or Black MSN: How your fingernails can signal serious health conditions like heart and liver disease How your fingernails can signal serious health conditions like heart and liver disease Indiatimes: From iron deficiency to lung disease: Doctors say your nails may reveal hidden health problems From iron deficiency to lung disease: Doctors say your nails may reveal hidden health problems Daily Mail: This is EXACTLY how to fix your crusty, yellow and thickened toenails – and how to tell if they’re a sign of something more sinister, by Harley Street podiatrist STEVEN THOMAS Thick, yellow toenails left so long they split and crumble. Nails so misshapen they dig into the skin, causing infections. Or, in the most severe cases, curling into what we call ‘ram’s horns’ that ... This is EXACTLY how to fix your crusty, yellow and thickened toenails – and how to tell if they’re a sign of something more sinister, by Harley Street podiatrist STEVEN THOMAS