We already know that the stimulating powers of caffeine make it an unsuitable choice for a late-night drink – at least if you want to get any shut-eye. But a new study adds a whole extra level of ...

Suddenly stopping caffeine can cause the brain to go into withdrawal. This happens because caffeine temporarily block receptors, and then when the caffeine is stopped, the brain releases too much of ...

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 ...

SUNDAY, June 1, 2025 (HealthDay News) — Your morning cup of coffee might help you power through the day — but could it be keeping your brain too alert at night, even while you sleep? A new study ...

MONTREAL — That cup of coffee you had during dinner with friends didn’t just keep you tossing and turning — it fundamentally altered how your brain operated during whatever sleep you managed to get.

The effects of high and low consumption of caffeine on the brain’s dopamine transporter binding in patients diagnosed with Parkinson’s disease. Regular high caffeine consumption affects dopamine ...

Regular high caffeine consumption affects dopamine function in patients with Parkinson’s disease, shows a new international study led by the University of Turku and Turku University Hospital in ...

I recently stopped drinking coffee. Yeah, I know, why would anybody do that? For me it was a combination of health-related reasons, and overall I can say I’m happy I did. If you had asked me a few ...

Fact checked by Nick Blackmer Whether enjoyed for the taste, the energy boost, or a bit of both, drinking coffee is a popular ...

Dietitians point to green tea’s unique combination of EGCG catechins, L-theanine, and low-dose caffeine as the reason it best ...

Coffee and the caffeine in it can interact with some drugs. Learn more about which drugs you should not take with coffee and when to discuss it with a healthcare provider.

Caffeine doesn't just make it harder to fall asleep; it changes how the brain behaves during rest. New research shows that caffeine alters brain activity in ways that make sleep look more like ...