This extract, made from dried green tea leaves, boasts caffeine and antioxidant-rich plant compounds. So are energy drinks containing green tea extract a better way to fight fatigue?
Evidence suggests that children and adolescents should avoid energy drinks. Now a new study raises health concerns for adults as well. Find out more.
Although caffeine is safe, it can be harmful or even fatal when too much is consumed within a short period of time. Discover how much caffeine you’re getting from coffee, tea, soda or energy drinks, and learn how to stay within safe limits.
After conducting hundreds of studies, researchers concluded that caffeine has a positive effect on runners’ and cyclists’ performance in a laboratory setting.
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
Energy drinks won’t only cause your young children to bounce off the walls – they may cause an irregular heartbeat, too. A study recently presented at an American Heart Association (AHA) meeting revealed that children younger than age 6 represented more than 40 percent of the emergency calls to poison centers that were related to … Read More
Bulletproof coffee is the latest trend, but does adding butter and oil to your morning jolt really pack the health punch proponents claim it does?
Patients often have questions about the safety of coffee, caffeinated soft drinks and other drinks that contain caffeine. I typically tell them that there have been many studies of caffeine over decades, and to date, the vast majority indicate that there is no adverse effect on heart health with normal doses.
While caffeine consumption levels have not changed among children and adolescents since 1999, the sources of caffeine have, a new study says. Between 1999 and 2010, a steady 73 percent of children ages 2 to 11 consumed caffeine on any given day. But while soda still accounts for the majority of caffeine intake for this … Read More
The instant buzz you get after downing an energy drink gives your body a lift in other ways—increased blood pressure and a prolonged QT interval, which could spell heart problems. Results from a meta analysis of how energy drinks affect heart health weren’t all that surprising, but they do raise enough concern to warrant a … Read More
If you’ve driven by a convenience store lately, you’ve probably seen the ubiquitous neon signs promoting so-called “energy” drinks. Based on recent news reports about their possible dangers, however, it’s becoming increasingly clear that if anything should be emblazoned in neon, it’s “caveat emptor,” or “let the buyer beware.” Many people turn to these highly … Read More