The Science of Caffeine: What’s behind that boost?

Canadians really love their coffee. About two-thirds of the adult population drink it daily.

But what's actually going on when your afternoon cup of joe gives you the boost you need to get through your day?

In its latest "Reactions" video, the American Chemical Society looks at the science behind the world's most popular drug, and reveals just how much of a good thing is too much.

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(While 75 cups of java will get you to that lethal limit, to be safe, try capping your daily dose at 400 mg — about three 8-oz cups of coffee.)

Coffee and caffeine are popular topics here at Shine On.

New U.S. research suggests that caffeine can boost long-term memory. It's also been lauded as a great workout buddy.

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Coffee has even been linked to longevity, and a decreased risk of depression, suicide, heart failure, uterine cancer, liver cancer, diabetes, and recurring breast cancer.

So raise your mug to the good life — but do so in moderation. You don't want to have to deal with caffeine intoxication and withdrawal. @@

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