Using the phrase "you guys" deemed offensive as U.S. universities combat "microaggressions"

She urged students to abandon the phrase “you guys”, because it could make women feel excluded, according to the New York Times.

Other potential microaggressions included assuming Asian students were good at math, or that black students were athletic.

The term microaggression was coined by Chester Pierce, a Harvard psychiatrist, in 1970. It has now emerged from the pages of psych textbooks to the new university lexicon, along with “trigger” and “safe space”.