Expecting sugar increases the brain's reward response to artificial sweeteners, suggesting labels like "diet" may sabotage ...

By monitoring brainwaves with EEG scans, researchers found that while participants reported being “full” and showed no conscious desire for more food, their brains refused to “devalue” the rewarding ...

Surprise rewards may boost movement speed, hinting that dopamine signals in the brain help control motivation and physical vigor.

As young people reach adulthood, their preferences for sweet foods typically decline. But for people with obesity, new research suggests that the drop-off may not be as steep and that the brain's ...

Research shows that just five days of sugary, fatty snacks can alter brain insulin responses, hinting that junk food can rewire the brain before visible weight gain.

I was a third-year medical student at Northwestern on my ICU rotation the first time I saw a dopamine drip. The patient was pale and motionless, his blood pressure dropping by the minute despite large ...

Short-term, alcohol slows brain processing, triggers the reward system, reduces stress and pain, impairs spatial thinking, and can cause memory lapses or blackouts. Long-term, alcohol damages the ...

With the support of a $545,000 three-year grant from the National Institute on Alcohol Abuse and Alcoholism, researchers from the School of Science at Indiana University-Purdue University Indianapolis ...