NIDA for Teens: The Science Behind Drug Abuse
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Brain Reward System

NIDA director Nora Volkow, M.D. at TedMed

Obesity and Drug Addiction: The Brain Connection TedMed Talk by NIDA Director

The NIDA Blog Team
January 29, 2015

Many tasty foods trigger a burst of the brain chemical called dopamine in the brain’s reward circuit that is similar to what some drugs produce. Over time, the reward circuit can get less sensitive to the dopamine—it needs the constant dopamine surge from fattening food.  Read More »

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Girl Running

Chasing the Runner's High

Sara Bellum
July 26, 2012

Dr. Nora Volkow, Director of NIDA, is an avid runner—6 miles a day! We all know the benefits of physical activity on the body, but as a neuroscientist, Dr. Volkow is also interested in how exercise helps the brain. Read More »

5 Comments
French fries

Addicted to French Fries: Is Food a Drug?

Sara Bellum
April 03, 2012

According to the American Heart Association, about one in three kids and teens in the United States is overweight or obese. Read More »

11 Comments
Electric human brain.

The Different Angles of Addiction

Sara Bellum
September 07, 2011

You may think you know what addiction is—lots of people have many different opinions about addiction and different ways of defining it. Here are some myths you may have heard: Read More »

15 Comments
image of Euphoria

Word of the Day: Euphoria

Sara Bellum
March 24, 2010

Euphoria: A feeling of well-being or elation. Read More »

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