Alopecia areata: A kind of hair loss that happens if the immune procedure mistakenly assaults hair follicles. It could cause bald patches or impact the complete scalp, confront, and human body. Round or patchy bald spots. Many people eliminate hair in round or patchy bald spots within the scalp, https://timfiller19529.theobloggers.com/32604308/not-known-factual-statements-about-what-stops-loss-of-hair