Researchers investigating brain structures found that adolescents who eventually used drugs exhibited larger brain sizes prior to any substance use, indicating innate differences rather than direct causation from drug use.
To see how deep this connection runs, this team decided to test it out using Kool-Aid. The study introduced a group of mice to Grape Kool-Aid, a novel flavor to them. Half of the mice were then injected with lithium chloride, a chemical that induces nausea.