Michael Kuhar, PhD, chairs National Families in Action’s Science Advisory Board and recruited the scientists who serve on it. He is Candler Professor of Neuropharmacology at Emory University. Among many things, Dr. Kuhar discovered the mechanism by which cocaine causes addiction. He wrote The Addicted Brain and teaches an online Coursera course of the same name, which at any given time is visited by some 300,000 people.

Key Points

• Different kinds of studies
• Open studies
• Important to have control group
• Double blind studies
• Difference between correlation and causation
• What about two studies that contradict each other?
• Importance of replication

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