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Are you going to have to quit your coffee habit after this video, Brainiacs? There are about 100 reported cases of caffeine related overdoses each year. High doses of caffeine in liquid, powder, and tablet form have been known to increase the normal heart rate and cause low blood pressure. In other words—that’s not good. So how much coffee is actually safe to consume? And why can you handle your cups of coffee while your friend can’t even drink a Coke without getting the jitters. Plus, we even let you in on some health benefits thanks to coffee. So, to quit or not to quit? That’s up to you, Brainiacs—-after this video, of course.