Doctors Warn: If You Notice This Dark Mark on the Neck, It Could Be an Early Sign of a Serious Health Problem
Most people assume it’s dirt. They scrub harder. They switch soaps, buy expensive skin products, and try every home remedy they can find online. Some become embarrassed by it. Others convince themselves it’s simply poor hygiene. Yet despite repeated washing and constant effort, the dark patch remains exactly where it was before. What many people…