Many people suffer from dark skin around the neck. The condition is known as acanthosis nigricans. It is characterized by hyper pigmentation of the skin along the folds and creases in the body. <br /> <br />Source : https://goo.gl/5pa1RR <br /> <br />Visit our infotainment partner : http://Wirally.com <br />Subscribe For More Health Tips: https://goo.gl/Jqpbgt
