alopecia

Baricitinib helps regrow hair by preventing the immune system from attacking hair follicles. The FDA says alopecia areata affects more than 300,000 Americans each year.

This essay refers to the condition afflicting actress Jada Pinkett Smith and led to a joke that triggered an altercation at the Oscars. The author, who lost her hair at age 19, wants to help us all do better.