Black tea contains two per cent to four per cent caffeine, which affects thinking and alertness. Drinking more than four cups of black tea daily is possibly unsafe.

Playing with a lack of juice in their legs and caffeine in their bloodstream through 40 minutes, Geekie pumped in a couple of shots of espresso in the form of two third-period goals Saturday ...

Taking to TikTok, @dr.karanr, notes that people's genes have different speeds. He explains: "If caffeine makes you feel tired, it might be because of a software glitch in your caffeine gene.

In this study, 104 adults (aged between 20 and 65) were randomly assigned to consume either a beverage containing 609.3 milligrams (mg) of catechins and 68.7mg caffeine, or a control beverage ...

The Australian Open doesn’t have full broadcast rights for all matches. So, its YouTube livestream uses AI to generate Nintendo Wii Tennis cartoon avatars that mimics the action on a 2-minute delay.

Three Israeli hostages were released on Sunday from Hamas captivity in Gaza as part of the initial list of 33 hostages to be freed in the first phase of the ceasefire deal, which eventually came into ...

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Jolt Cola, the soda brand that gained attention in the 1980s for offering “all the sugar and twice the caffeine,” is heading back to stores in 2025. This time, it’s promising more than twice ...

New Year’s Day I looked out at the gray sky from my living room window and then checked the weather forecast on my phone. The morning called for snow, sleet, rain with just enough wind to make ...

Each day, billions around the world rely on caffeine to wake up in the morning, get through a night shift, or an afternoon slump. But in a recent survey, it’s been revealed that people who get ...