Dr. Jag Khalsa, with about 50 years of experience in drug research, serves as the Chief of the Medical Consequences Branch; is responsible for developing a national and international program of clinical research on medical/health consequences of drug abuse and infections. If you have a question about the health effects of drugs, he’s your guy. Prior to joining NIDA in 1987, Dr. Khalsa served for about 10 years studying the safety potential of chemicals and food additives. With so many distinguished years of research, Dr. Khalsa has received many awards, including a commendation from the U.S. Congress. He loves to sing – watch on YouTube.