Many sports fans are strongly opposed to the use of steroids by athletes, and there are numerous explanations for why, including concerns about health and safety, fairness, rules violations, and athletes' position as role models. But what considerations are most important to our perceptions of steroid use? Are there conditions under which steroids might be acceptable? A team of researchers from Chicago Booth evaluated how 10 different possible explanations for steroid opposition affect our feelings about performance-enhancing drugs.