illustration of brain receptor transmitting a signal.

Say What? “Dopamine”

May 13, 2019  /  The NIDA Blog Team

Your brain releases a neurotransmitter called dopamine as a response to things that are pleasurable. Read More »

A chemical model drawing of nicotine on chalkboard. Nicotine C10H14N2

Why Is Nicotine So Addictive?

February 04, 2019  /  The NIDA Blog Team

Tobacco use kills about 1,300 people every day. What makes nicotine—a main ingredient in tobacco—so addictive? Read More »

Black sign with white letters "ADHD" on wood-colored easel

Your Brain on Stimulants, Part 1: How Stimulants Work

April 03, 2017  /  The NIDA Blog Team

Stimulants increase alertness, attention, and energy by raising the levels of dopamine (a chemical) in the brain and other parts of the body, similar to the way dopamine is naturally produced.  Read More »

Boy playing a game on his phone.

Video Game Addiction—Is it Real?

April 09, 2014  /  Sara Bellum

Doodle Jump. Candy Crush. FarmVille. Angry Birds. Cut the Rope. Fruit Ninja. Words With Friends. Read More »

The serotonin neuron showing serotonin and serotonin receptors.

Word of the Day: Serotonin

March 12, 2014  /  Sara Bellum

Have you ever noticed all the different emotions you experience in a normal day? For example, you can feel happy in the morning when you find out you passed your bio quiz, grumpy at noon when you haven’t eaten since breakfast, and then sad when the football team loses the big Homecoming game. Read More »

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