What Coffee Does to Your Brain

Coffee's health advantages are fiercely discussed. Some think it's healthful, but others warn of health risks.

But what's the truth? How does coffee affect your brain and cognition?

If you consume coffee throughout the day, you may lose sleep later. Dietitian discusses how coffee affects the brain.

Trista Best, MPH, RD, LD of Balance One Supplements claims coffee interacts with adenosine. As it builds up over the day, this neurotransmitter promotes sleep.

"Coffee improves cognitive and brain function. Caffeine releases dopamine, serotonin, and noradrenaline, which improves response speed, mood, understanding, and attention span."

Caffeine has been shown to have favorable cognitive effects, but further study is being done on whether decaffeinated coffee may also have similar advantages.

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