![]() ![]() This is about three times higher than the world average. The average daily consumption of caffeine by adults in the U.S. On any given day, about 85% of Americans use caffeine products. ![]() The remaining caffeine can stay in your body for a long time.Ĭoffee accounts for 54% of the caffeine consumption in the world. The half-life is the time it takes for your body to eliminate half of the drug. It reaches a peak level in your blood within 30 to 60 minutes. Caffeine blocks the adenosine receptor to keep you from feeling sleepy.Ĭaffeine begins to affect your body very quickly. These drugs are called “stimulants.” Caffeine acts as an “adenosine receptor antagonist.” Adenosine is a substance in your body that promotes sleepiness. It also can be produced synthetically.Ĭaffeine is a type of drug that promotes alertness. Natural sources of caffeine include coffee beans, tea leaves and cocoa beans. Resources for Health Care ProfessionalsĬaffeine is a natural substance that can be extracted from plants.And tea is the second most popular beverage in the world. It’s been estimated that the world drinks three cups of tea for every cup of coffee. There is one final category in the tea and coffee smackdown that should be considered: popularity. Plain or flavored water and milk are also good healthy options. The Dietary Guidelines for Americans state that people who don’t drink coffee or tea aren’t encouraged to start. If you are neither a coffee nor a tea drinker, don’t feel pressured to change. “I tell my tea drinker friends that we may learn in the years to come that tea has additional benefits,” he added. One reason coffee is linked to more health benefits than tea is that it’s been the subject of far more studies, said Chopra at Harvard Medical School. And for tea, especially, there are likely more health benefits that are yet to be discovered. And both drinks are winners when it comes to heart health and longevity. Tea is undoubtedly good for your blood pressure, cholesterol, stress levels, mental health and productivity. Coffee drinkers can raise a mug to fiber, microbiome health and lowering risk for cancer and diabetes. In this battle over health benefits, coffee comes out on top. “These studies keep coming and coming,” he said. ![]() Chopra at Harvard Medical School pointed out that at least five large studies in leading medical journals have now shown that coffee drinkers have lower mortality rates. But tea and coffee provide so many health benefits that it’s reasonable to conclude that they could lower your odds of an early death, say experts. These studies come with an important limitation: They are observational, meaning they can’t prove causation. Even those who drank their coffee with a teaspoon of sugar seemed to gain a benefit. More research is needed to understand the potential mechanisms involved.Īs for coffee, a July study followed almost 172,000 people and found that those who drank 2.5 to 4.5 cups of coffee per day had a 30 percent lower likelihood of dying during the roughly seven years of the study compared to people who didn’t drink coffee. But large studies of green tea drinkers have reached similar findings.īlack tea and especially green tea are rich in polyphenols and other beneficial compounds, “and these compounds could potentially reduce stress and inflammation in the body,” said Maki Inoue-Choi, a staff scientist at the National Institutes of Health and lead author of the recent tea study. The study was carried out in the United Kingdom, where most of the tea drinkers consumed black tea. In one recent study, scientists followed a half million people over a 14-year period and found that people who drank at least two cups of tea daily had a 9 to 13 percent lower risk of dying during the study period compared to non-tea drinkers. Coffee and tea lovers, rejoice! Coffee and tea drinkers tend to live longer than people who don’t drink either beverage.įor tea drinkers, both green and black tea are associated with greater longevity. ![]()
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