Addiction is all about the dopamine

From heroin and cocaine to sex and lies, Tetris and the ponies, the spectrum of human addictions is vast. But for Dr. Nora D. Volkow, the neuroscientist in charge of the National Institute on Drug Abuse, they all boil down to pretty much the same thing.   Profiles in...

Alcohol interferes with body’s ability to regulate sleep

Researchers from the University of Missouri School of Medicine have found that drinking alcohol to fall asleep interferes with sleep homeostasis, the body’s sleep-regulating mechanism. Alcohol is known to be a powerful somnogen, or sleep inducer, and...

‘Optogenetics’ to Control Reward-Seeking Behavior

Using a combination of genetic engineering and laser technology, researchers at the University of North Carolina at Chapel Hill have manipulated brain wiring responsible for reward-seeking behaviors, such as drug addiction. The work, conducted in rodent models, is the...