Is it bad to drink before your brain is fully developed?

Yes, drinking alcohol before the brain is fully developed, which typically occurs in the mid-20s, can have negative effects. It may impair cognitive functions, disrupt brain development, and increase the risk of developing alcohol use disorders later in life. Adolescents and young adults are particularly vulnerable to these effects, as their brains are still forming crucial connections and structures. It's best to avoid alcohol during this critical developmental period.