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cool stuff ride home where we try to bring you some of the most interesting intriguing and just

cool stories from around the world i'm reg Reggie Rizzou alongside Marcus Paff. On today's

episode, caffeine can boost physical and mental performance, but a new study says it should be

timed wisely to optimize those benefits and avoid side effects. Plus, a new study suggests that exercise can boost

memory for a full day. And on this day in history, the first motel is open. That's all coming

up on cool stuff.

Well, turning to BBC Science Focus and author Ian Taylor. They don't call it Go Juice for

Nothing. Caffeine is the world's favorite performance-enhancing drug.

And it is a drug, mind you, not a nutrient, the most widely taken psychoactive stimulant

known to humankind.

In the UK, they knock back 98 million cups of coffee every day, while some estimates

have the US at 400 million cups of coffee every day, while some estimates have the U.S. at 400 million cups each day.

Now, besides getting us moving in the morning, it's known to improve athletic performance,

from strength to endurance, as well as cognitive skills like alertness, reading speed, and problem

solving. Her Dr. James Betts, a professor of metabolic physiology at the University of Bath, quote,

there's a massive list of supposed performance-enhancing substances, you can count on one hand

those that clearly work, and I would have caffeine at the top of that list because the effects

...