Immune system may hold key to curing baldness

Somewhat by accident, researchers at Spanish National Cancer Research Centre have discovered a connection between the body's immune system and hair loss - a discovery that could eventually lead to a molecular treatment for baldness. According to a new study in the journal PLOS Biology , immune system cells called macrophages, which gobble up and destroy invading pathogens, have a stimulating effect on skin stem cells and hair growth.

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