H Pylori and Alopecia Areata

Despite the fact that H pylori infection has been implicated as a possible causative factor in several skin diseases, I haven’t been able to find a great deal of information linking the infection to alopecia areata. Alopecia areata is caused by an autoimmune reaction against hair follicles, which leads to the hair falling out. T-cell lymphocytes cluster around affected follicles, causing inflammation and subsequent hair loss. According to Wikipedia, an unknown environmental trigger such as emotional stress or a pathogen is thought to combine with hereditary factors to cause the condition. Because H pylori is a major human pathogen,...