close up of mature man with alopecia aerata.

color horizontal venezuela people alopecia hair loss men women balding autoimmune disease hair healthcare medicine problems mesotherapy autoimmunity illness loss human body adult growth head human body natural hair white people young adult close-up adults human head skin one person human skin men receding hairline males falling young men 40-49 years body emotional stress lost mature adult mature men medical condition mid adult one man unrecognizable person