8-ounce cup of black coffee: 95 mg 1 ounce of espresso: 64 mg 8-ounce cup of instant coffee: 62 mg 8-ounce cup of decaf ...

or the smoky and intense notes present in black tea, it’s always a good idea to go brew yourself a cold cup of tea. Coffee drinkers and tea drinkers alike will be happy to hear that both pu-erh tea ...

L-theanine is also present, in lower concentrations, in black tea. There’s less research on the effects of coffee on stress, but researchers have found moderate to high amounts of caffeine are ...

Getting your Trinity Audio player ready... Millions of people consume coffee or tea, with some even enjoying multiple cups of these caffeinated beverages daily. Coffee is known to perk a person up in ...

I drank green tea for 30 days and experienced three life-changing benefits, including better focus and less anxiety.

Scientists think that caffeine found in tea and coffee might help to reduce those risks and want to conduct further research to see whether or not it really does work. According to study leader Dr ...

What factors impact the environmental footprint of tea and coffee? And what can you do to make your cup greener?

Drinking tea and coffee is good for the heart, according to a new study. Consuming more caffeine may improve heart health - particularly for people with rheumatic conditions, say Italian scientists.

Get the best tasting 'hug in a mug' with our reviews and advice for caffeine fiends and macchiato aficionados. Can't wake up without your coffee? Several billion cuppa-lovers can't be wrong. Our ...