Snippet from the article:
A longtime swimming buff, lawyer Robert Prignoli typically hits the pool for two hours at a time, four days a week.
But a swim earlier this year in “toxic pool water” at the LA Fitness in Travis cost him more than some wrinkled skin, Prignoli alleges in a $5 million lawsuit.
“Poisoned” by a ”hazardous and toxic stew” of chemicals, Prignoli suffered “severe” hair loss, skin rashes, eye irritation, headaches and loss of taste and smell, for a time, contends his civil complaint.
Read the rest — Swimmer burned, lost hair from ‘toxic stew’ of chemicals in LA Fitness pool, lawsuit alleges
I haven’t seen any studies that show high levels of chlorine in pool water cause hair loss, though there have been a couple previous cases (here, here) where that has been the suspected culprit.