The Socially Acceptable Drug Caffeine makes you feel so good. Screen the Caffeine Medical problems and medications can affect your response to caffeine. They could have been singing about coffee. Many of us feel we're no good before our morning cuppa. But while we don't want to give up our morning jolt, we often suspect it is none too good for us.
Caffeine is mildly addictive, causing dependence, cravings and withdrawals.
Around two-thirds of U.S. adults are coffee drinkers, gulping down about two cups, or 200 milligrams of caffeine, daily. Those numbers don't include those of us who get our thrills from cola, tea, cocoa and chocolate instead of, or in addition to, coffee. Caffeine is present in more than 2,000 drugs and 63 plants. It's been used for centuries and has been studied extensively, probably by java-sipping scientists documenting their findings in the wee hours. Caffeine also boosts the effects of certain medications, most commonly aspirin, acetaminophen and ergotamine, which is used for migraines.