Energy drinks: power or poison?

There are dozens of so-called “energy drinks” on the market today. They promise to be magic elixirs that will keep you awake, give you superpowers, etc., but what are they really, and how (or do) they work? Here we delve into the chemistry behind what goes in to these mysterious glowing liquids, and what that chemistry does to the human body.

[Via:  Samuel Conway Ph.D.]

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