"Fingernail Changes: A Hidden Cancer Warning"
Experts warn that a small thickened patch beneath the nail, accompanied by a red or white streak, could indicate BAP1 tumour predisposition syndrome, a genetic condition linked to higher cancer risk. A study in JAMA Dermatology found that 88% of subjects aged 30 or above with this syndrome exhibited nail changes, suggesting a need for genetic assessment if such abnormalities are present.