Coffee contains caffeine, the most widely consumed drug in the world. So does drinking too much coffee do us any harm, and how much is too much? And what about the pesticides that are sprayed on the plants? We drink coffee to get us up and going – it stimulates us, and raises blood pressure, heart rate and breathing. But can coffee really improve mental performance? This episode puts it to the test with a group of busy financial traders, spilling the beans on instant and decaffeinated coffee.moreless
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