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Alopecia Areata vs Androgenetic Alopecia (2026): How to Tell Them Apart

Alopecia Areata vs Androgenetic Alopecia (2026): How to Tell Them Apart

They are both 'hair loss,' but alopecia areata and androgenetic alopecia are almost opposite conditions — autoimmune vs hormonal, sudden patches vs gradual pattern, often reversible vs progressive. Telling them apart is the whole diagnosis, and it changes everything about treatment.

DHT and Hair Loss: How It Works, Why It Targets Some Follicles (2026)

DHT and Hair Loss: How It Works, Why It Targets Some Follicles (2026)

DHT is the hormone that drives androgenetic alopecia — but it doesn't attack all hair the same way. The mechanism, the genetic susceptibility, and what actually happens when finasteride blocks it.