Caffeine can linger in your system for 10 or more hours, which can impact sleep. Double-shot lattes and cold brews have ...

Add Yahoo as a preferred source to see more of our stories on Google. I’ll never know how much caffeine I consumed the night I practically drank my weight in Typhoo tea, but given the fact that I ...

If you're feeling anxious and having trouble sleeping, you may be taking in too much caffeine, or you may be a slow metabolizer.

The impact of caffeine on blood pressure from coffee (and cola, energy drinks and chocolate) varies. Research reviews report ...

Editor’s note: Tomorrow, Deseret News looks at the use of caffeine in sports. When Tillie Uribe feels that first twinge of a ...

Chai and coffee both contain caffeine and energy-boosting compounds. However, they can affect your energy levels in different ...

Scientists Tracked 130,000 People for 43 Years and Found the Optimal Coffee Amount for Brain Health In A Nutshell Two to ...

A genetic study reveals that it is not coffee itself, but how long caffeine remains in the blood, that influences the risk of diabetes.

We all have our favorite caffeine vehicles—yours might be a thick, foamy espresso or a strong cup of Earl Gray tea, or chocolate. I like a good cup of black coffee made with a French press! One way or ...

Natural and synthetic caffeine are chemically identical and provide a boost of energy in the body. Natural caffeine comes from plant sources and provides more nutrients than synthetic caffeine.

I’ll never know how much caffeine I consumed the night I practically drank my weight in Typhoo tea, but given the fact that I stayed awake for 24 hours, it was an awful lot. The tea was delicious, the ...