Panera Bread said that it's discontinuing its Charged Sips drinks that were tied to at least two wrongful death lawsuits due to their high caffeine content. Richard Vogel/AP hide caption
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Latte art by Sam Spillman, winner of the 2019 United States Barista Championship. Sam Spillman hide caption
Michael Pollan gave up caffeine entirely for three months while working on his audiobook, Caffeine. "I recommend it," he says of his time without the drug. "I had some great sleeps." But he didn't realize that a temporary "loss of confidence" and lack of focus were withdrawal symptoms. Abdulrhman Al Shidokhi/Getty Images hide caption
Michael Pollan Explains Caffeine Cravings (And Why You Don't Have To Quit)
A 20-minute nap refreshes. Just don't sleep in so long on Sunday morning that you find it hard to fall asleep Sunday night. Klaus Vedfelt/Getty Images hide caption
Next month in the U.K., anyone at a major grocery store looking to buy a soft drink with more than 150 mg of caffeine per liter will need to present an ID. Stephane Grangier/Getty Images hide caption
Employees from dining services stock bottles of Coca-Cola and other caffeinated sodas in the Cougareat at the Wilkinson Student Center on BYU's Campus. This marks the first time caffeinated sodas have been available at campus eateries since the mid 1950's. Jaren Wilkey/BYU hide caption
People who drank three to five cups of coffee per day had a lower risk of premature death than those who didn't drink, a new study finds. iStockphoto hide caption
Gulping down coffee to stay awake at night delays the body's natural surge of the sleep hormone melatonin. Hayato D./Flickr hide caption
Make mine a venti: An example of a drinking vessel from the Grasshopper Pueblo archaeological site in central Arizona. Researchers tested shards of similar vessels found at various sites in the American Southwest and found evidence that people in the region were drinking caffeinated cacao and yaupon holly drinks 1,000 years back. Courtesy Patricia Crown hide caption
One teaspoon of pure caffeine powder delivers about the same jolt as 25 cups of coffee. The Center for Science in the Public Interest hide caption
Peter Kennaugh of SKY Procycling enjoys an espresso ahead of first stage of the Tour de France 2013, in Corsica. Scott Mitchell/teamsky.com via Getty Images hide caption
According to the pediatrics study, about three-fourths of children in the U.S. consume caffeine on a given day. iStockphoto hide caption
A barista makes coffee using the pour-over method at Artifact Coffee in Baltimore. Benjamin Morris/NPR hide caption
Wrigley took its new Alert Energy Caffeine Gum off the market after it prompted FDA scrutiny of caffeinated foods. Wrigley Incorporated hide caption
Wrigley says its new Alert Energy Caffeine Gum gives consumers the power to control how much caffeine they get. Wrigley Incorporated hide caption
Many believe that humanity's caffeine addiction has wrought a lot of good. istockphoto.com hide caption
Some baristas swear that bananas can cure your coffee jitters, but the science just doesn't add up. Daniel M.N. Turner/NPR hide caption
The bar at a surprise birthday party for Teen Wolf's Stephen Lunsford, presented by Monster Energy last November in Los Angeles. Todd Williamson/Invision/AP hide caption
There might be much more caffeine than you think in those supplements you're taking. There also might be much less. Janine Lamontagne/iStockphoto hide caption
The contents of a box of some of the new foods containing caffeine collected by the Center for Science in the Public Interest. Karen Castillo Farfán/NPR hide caption
Sarah Piampiano holds two energy gels, one with caffeine and one without, as she runs in this year's Ironman World Championship. Murray Carpenter for NPR hide caption