Caffeine is one of the most widely consumed substances in the world. It is found in coffee, but also in tea, soft drinks, energy drinks and even certain foods and medicines. It is ...

We’re a nation fuelled by caffeine. We drink about 100 million cups of tea a day, according to the UK Tea & Infusions ...

Today, there is one method of caffeine intake that has become increasingly popular, especially among young adults — energy ...

‘Studies have shown promising evidence that drinking coffee may bring some health benefits such as lower risk of developing ...

A doctor explained safe guidelines for limiting your daily consumption, whether you're drinking coffee, tea, energy drinks or ...

A new study found that increased caffeine consumption may influence your risk of Alzheimer's or other forms of dementia. But ...

Green tea has different ratios of caffeine depending on the type. Learn about high-caffeine coffee alternatives and decaf ...

Caffeine's stimulating effects can paradoxically lead to sleepiness due to tolerance, adenosine receptor changes, and individual metabolic differences.

What are the best energy gels? WH tested Maurten, SiS, Clif BLOKS, Veloforte and High5 to find out which energy gels work the ...

In college, it is common to see students with caffeinated drinks in hand, whether it is coffee, energy drinks or soda.

We sampled popular flavors from major brands including Red Bull, Monster, and Celsius, to find the tastiest energy drink ...

In this week's episode of Run for Fun, we take a look at that daily cup of coffee and how caffeine impacts running and ...