Parkinson's & Movement disorders

Discovery may lead to a treatment to slow Parkinson's disease

Using a robust model for Parkinson's disease, University of Alabama at Birmingham researchers and colleagues have discovered an interaction in neurons that contributes to Parkinson's disease, and they have shown that drugs ...

Neuroscience

The dopamine advantage

The junctions between nerve cells responsible for releasing and receiving dopamine in the brain are a surprising mismatch that gives this chemical a strong competitive advantage.

Psychology & Psychiatry

Is dopamine to blame for our addictions?

Most researchers agree that the key difference between human brains and those of other animals is the size and complexity of our cerebral cortex, the brain's outer layer of neural tissue. We therefore tend to focus our attention ...

Medical research

Leptin suppresses the rewarding effects of running

(HealthDay)—Leptin appears to inhibit running reward via signal transducer and activator of transcription-3 (STAT3), according to an experimental study published online Sept. 1 in Cell Metabolism.

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