Methamphetamine doesn't just spike levels of the pleasure-inducing hormone dopamine in the reward pathways of the brain—it ...

Scientists have warned that blockages in the brain’s natural drainage pathways could serve as an early warning sign of ...

Researchers identified a key molecule that highlights how the immune system is linked to the release of dopamine.

Some people are immune to dementia, even if their brain is deteriorating. Cognitive reserve is the secret boost that builds ...

A new study by Scripps Research reveals that alcohol dependence disrupts two signaling pathways in a stress-related part of the brain—and offers insights on developing drugs to treat this condition.

Regular aerobic exercise may help slow biological brain aging in adults. In a randomized clinical trial, researchers used MRI ...

Exercise made 40-year-olds' brains look younger in 12 months, but the biological mystery remains: fitness gains didn't ...