Dr. Frank Chaloupka is a distinguished professor of economics at the University of Illinois at Chicago and is an internationally respected scientist in the area of tobacco control.

He is the director of the World Health Organization (WHO) Collaborating Center on the Economics of Tobacco Control, and also a research associate at the National Bureau of Economic Research's Health Economics Program and Program on Children.

Recently, he along with two other smoking control experts , David Sweanor and Kenneth Warner, called for tobacco taxes to be set proportionately to the harm.

He talks to Kathryn Ryan about the efficacy of tax control policies on tobacco, alcohol, and illicit drug use.

Listen to the full interview here.