Don't be afraid to see a doctor if you notice this.
suffering from alopecia areata
, a genetic autoimmune disease in which the immune system attacks the hair follicles."When this happens, the person's hair begins to fall out, often in clumps the size and shape of a quarter. The extent of the hair loss varies; in some cases, it is only in a few spots. In others, the hair loss can be greater. On rare occasions, the person loses all of the hair on his or her head or entire body ," explains the Cleveland Clinic. Alopecia areata can be an unpredictable condition.
."This is promising for regrowth because it means that the follicles are not severely damaged and may be able to grow hair again," their experts add., PCOS, pregnancy, and other conditions cause thinning hair which occurs evenly across the scalp. A simple blood test should be able to tell you whether you have any of these conditions, or if you are pregnant.