Tuesday, April 17, 2018

Caffeine physical and mental effects on heart, adrenaline, attention - Business Insider

Caffeine physical and mental effects on heart, adrenaline, attention - Business Insider

What caffeine does to your body and brain

starbucks barista coffee shop Sorbis/Shutterstock.com
Depending on how you consume it, caffeine could improve memory, boost athletic performance, and be good for the heart.

Many of us can't start our day without a jolt of caffeine.

Various caffeinated drinks affect your health in different ways. Coffee itself seems to be associated with significant health benefits, including reduced cancer risk, improved liver function, and a lower risk for cognitive decline. But other caffeinated beverages like energy drinks have surprisingly high sugar levels, which may have negative health effects but.

But caffeine itself can do a lot, including boost athletic performance, improve memory, and — according to one recent review of studies — it may improve heart function.

The popular stimulant has both positive and negative effects. It makes most of us feel more alert, awake, and focused, but too much can also backfire.

It also affects a host of processes in our bodies, including our digestion, metabolism, and vision.

Here's what's really going on after you drink a cup of joe.


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