San Francisco 49ers great Dwight Clark says he has ALS, suspects football a cause

Monday, 20 March 2017  (1 week ago)
Dwight Clark revealed Sunday that he has Lou Gehrig's disease and suspects playing football might have caused the illness.

Clark announced on Twitter that he has amyotrophic lateral sclerosis, a disease that attacks cells that control muscles. The former San Francisco 49ers wide receiver linked...

More: U.S. Sports: NFL

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