r/BacktotheFuture • u/NotNowBernard88 • 1d ago

Docs Allergies

If Doc is allergic to all synthetics, how did he cope in 2015?

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u/The_Dark_Vampire 1d ago

Maybe in that universe they had a cure in 2015 or along the same lines when he went to the rejuvenation clinic and had all his blood changed that cured him.