For now, it appears to be perfectly safe and may even be a useful habit to have. Still, more research is needed to better understand how coffee affects human health in the long term. Some researchers theorize that coffee’s health benefits may outweigh any potential negative effects that the caffeine could have on those who drink it regularly ( 2). In fact, coffee may provide some health benefits.įor otherwise healthy people, research indicates that drinking 3–5 cups of coffee daily is linked to a 15% reduction in heart disease risk and a lower risk of premature death ( 3).Ĭoffee contains multiple bioactive compounds that are known to have strong antioxidant effects and may reduce oxidative stress in your body ( 4, 5). Though coffee may increase your blood pressure temporarily right after drinking it, this effect doesn’t seem to extend far beyond the short term.įor people with high blood pressure, current research suggests that daily coffee consumption is unlikely to have a significant impact on blood pressure or overall risk of heart disease ( 2). However, if you drink it regularly, this effect is diminished. Research indicates that coffee may increase blood pressure for up to three hours after consumption.
Interestingly, regular coffee consumption is not associated with the same impact on blood pressure - which may be due to the caffeine tolerance that develops when you habitually drink it ( 2).īased on this data, a small to moderate increase in your blood pressure may occur after drinking a cup of coffee - especially if you drink it infrequently. This effect was observed for up to three hours after consumption, and results were similar in people with normal blood pressure at baseline and those with pre-existing high blood pressure. Research indicates that it may increase blood pressure for a short time after consumption.Ī review of 34 studies showed that 200–300 mg of caffeine from coffee - approximately the amount you’d consume in 1.5–2 cups - resulted in an average increase of 8 mm Hg and 6 mm Hg in systolic and diastolic blood pressure, respectively ( 2). Science suggests that the physiological effects of drinking coffee can extend beyond a small dose of wakefulness.
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