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Understanding Alopecia Areata and Its Causes

Alopecia Areata Causes

Alopecia Areata Causes

Hair loss, medically termed alopecia, can result from a number of factors, such as genetics, age, stress, pregnancy, and hormonal imbalances. Changes in the body’s chemistry from these causes can lead to a series of reactions that reduce blood flow and nutrients supplied to hair follicles and scalp tissue, resulting in cell damage and underperforming follicular hair growth.

Over time, the biological pathway that nurtures follicles and healthy hair growth shuts down. Malnourished hair follicles cause hair growth degeneration, a process called hair miniaturization. Over time, hair becomes thinner, shorter, and more brittle. The hair growth life cycle becomes shorter and shorter, causing hair to fall out more frequently. Eventually, only vellus, or “peach fuzz” hair grows. In many cases, hair completely stops growing.