Caffeine doesn’t just make it harder to fall asleep; it changes how the brain behaves during rest. New research shows that caffeine alters brain activity in ways that make sleep look more like ...

New research suggests that certain doses of caffeine consumption can disrupt one's sleep — even when caffeine is consumed 12 hours before going to bed. Skip to content PEOPLE ...

While relatively rare, caffeine overdoses can be swift and brutal. Last March, a 28-year-old “workout queen” died from a caffeine overdose, which her heartbroken mother blamed on energy drinks.

Whether you choose coffee, tea or an energy drink, consuming caffeine may be a part of your everyday routine. A nutrition expert offers advice on how to know when you’ve had too much and how to ...

Another question that comes up commonly is about the role of caffeine. Caffeine is a constituent of many over-the-counter pain relievers and also some prescription drugs, mostly those that are ...

Caffeine intoxication occurs when a person has dangerously high levels of caffeine in their system, and symptoms can include seizures and trouble breathing.

How much caffeine do you drink?“I would say two coffees a day and a Celsius in the morning,” Lilly Devine said.In the 24-hour Channel 5 newsroom, it turns out that a lot of people drink a lot ...