Some pre-workout drinks contain high levels of caffeine, but are they safe? A sports dietitian weighs in on how—and ...

Bumblebees show impressive learning skills, especially queen bees. Caffeine in nectar tricks bees into revisiting flowers by boosting memory.

I don’t have it after the morning hour unless it’s the occasional decaf, which allows me to sleep well at night.” Caffeine is a natural stimulant, and Miller says it’s a great way to get a ...

One eight-ounce cup of green tea can have ... the caffeine in a cup of coffee. No matter which tea you choose to include in ...

A coffee maker says it has created a type of coffee that gives you a caffeine boost without the ... and overall vitality and have now been developed in coffee to deliver these to drinkers who ...