GLP-1 weight-loss drugs alter brain circuits in the amygdala and dopamine system to reduce the motivation to seek out high-calorie foods.

Could coffee help to counteract some of the effects of alcohol on the brain, and potentially limit the risk of addiction? That's what's suggested by a new study of how caffeine interacts with the ...

Within the human brain, movement is coordinated by a brain region called the striatum, which sends instructions to motor neurons in the brain. Those instructions are conveyed by two pathways, one that ...

Scientists have identified a protective brain pathway that may help slow the progression of Parkinson's disease by strengthening the brain's own dopamine‑producing neurons, but the positive effect was ...

For decades, dopamine signaling was viewed primarily through the lens of motor vigor—how fast or forcefully one moves. However, a landmark 2025 study from Karolinska Institutet published in Nature ...

Drug addiction poses a global public health challenge, with limited therapeutic options and modest efficacy. While numerous studies have shown that social status profoundly impacts mental health and ...

New protective pathway: Scientists found that enhancing nicotine-responsive receptors without nicotine preserved dopamine-producing neurons in female Parkinson’s models. Sex-specific effects: The ...

Despite what you may have seen on social media, a "dopamine detox" won't fix your ADHD—and it could even make it worse.

ADHD is the most common neurobiological disorder in children. The key word being neurobiological. When in the throes of raising a neurodivergent child, it’s easy to forget that their behavior is ...

Threadworms, which are a type of parasitic nematode, spend a lot of time crawling around on human skin, poking and prodding to find the best place for entry before burrowing in. But disrupting a ...