The Times of India News

This useless body part explains why humans get goosebumps and its surprising role in skin and hair health

Goosebumps, scientifically known as cutis anserina, are an involuntary response triggered by the contraction of arrector pili muscles. This ancient mechanism helped early humans by trapping warm air for insulation and making them appear larger to deter threats. Modern research also suggests a role in skin health and hair growth regulation.