Students from Irvine, Calif. and across the nation recently returned to college for the start of a new school year. For many, this represents a period of great transition as they leave home for the first time. But amidst the football games and late-night study sessions comes another part of the college lifestyle: substance abuse. As unpleasant as it may be to think about, many college students wind up in alcohol rehab centers after developing addictions to alcohol or another addictive substance. Avoiding dangerous substances while in college is not necessarily easy, but it is definitely worth it. The following infographic highlights a few tips for staying sober while in school.