[Rapscallion]

There are at least three topics where PC and falsehoods interferred with a determination of the truth:

Homosexuality vs. normal behavior;

Intelligence vs. Genetics, and,

Health Effects of Second-Hand Smoke(as opposed to it being a nuisance)

[conservative blonde]

Here is another where PC and falsehoods interfer with truth and women are dying because of it: breast cancer is not linked to abortion.