Before revision: To reduce the risk of lawsuits and to satisfy insurance requirements, participants usually have to be at least 18 years old (18 if using the room alone, or 13 if accompanied by an adult ) ; pregnant women, intoxicated, injured or sick persons are usually excluded.
After revision: To reduce the risk of lawsuits and to satisfy insurance requirements, participants usually have to be at least 18 years old if using the room alone, or 13 if accompanied by an adult ; pregnant women, intoxicated, injured or sick persons are usually excluded.