Medically reviewed by Jurairat J. Molina, MD Caffeine is a substance that raises alertness and boosts energy. Most adults can safely consume up to 400 milligrams of caffeine daily, equivalent to about ...

Why your morning coffee is making you more tired and this caffeine trap could be sabotaging your energy levels all day long ...

Neuro Gum, the leader in functional gum and mints, has launched a limited edition Strawberry Cake Mint product in partnership ...

Does leaving coffee grounds on porch, patio, and other spaces actually deter insect pests? We asked an entomologist to weigh in.

Most medical professionals agree that moderate caffeine use isn't necessarily unhealthy. But, like other substances, caffeine ...

Coffee and matcha are both known for their energy-boosting benefits. However, they also offer an array of health benefits.

A new study suggests that caffeine doesn’t just affect your energy levels. It may also change how your brain functions during sleep, especially in 20-somethings.

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Caffeine blocks a chemical called adenosine, which is what normally makes you feel tired. That’s exactly why your morning Americano gives you that glorious alert-and-focused state of mind.

Caffeine blocks adenosine, the brain chemical that makes you feel tired. Less adenosine means more alertness, more focus, and a greater willingness to suffer.

That’s probably because we’ve all spent a good chunk of our lifetime learning how to drink caffeine, says Marilyn Cornelis, PhD, a leading expert on the chemical at Northwestern University.

Caffeine can linger in your body many hours after consumption — we explore how this impacts your sleep.