How much does a mother need to drink during pregnancy to raise the level of aggression in her offspring by 30 percent?
Pit bulls, he says, are hard-wired for aggression and generally do not make safe pets.
“Marijuana use did not increase the odds of any type of aggression,” the authors concluded.
1610s, "unprovoked attack," from French aggression (16c.), from Latin aggressionem (nominative aggressio) "a going to, an attack," noun of action from past participle stem of aggredi "to approach; attack," from ad- "to" (see ad-) + gradi (past participle gressus) "to step," from gradus "a step" (see grade). Psychological sense of "hostile or destructive behavior" first recorded 1912 in A.A. Brill's translation of Freud.
aggression ag·gres·sion (ə-grěsh'ən)
Hostile or destructive behavior or actions.