Caffeine is perhaps the world's most popular mood-altering drug. Found commonly in coffee and tea, it stimulates the central nervous system to make your body and mind feel more awake. Here's the latest science news on caffeine, including its effects on the body, and possible benefits and risks.
-
Why do caffeine withdrawal headaches hurt so much?It's still largely a mystery why caffeine withdrawal causes headaches, but researchers have a few ideas.
-
Caffeine may help bacteria resist antibiotics, study findsA laboratory experiment suggests caffeine may boost E. coli’s antibiotic resistance. However, whether this discovery applies to real-world infections in people is not yet known.
-
32 unusual medical casesMedical case reports feature a wide array of unusual ailments, from "furry tongues" and water allergies to changing eye colors.
-
Does caffeine help or cause headaches?Caffeine's influence over headaches is complicated.
-
Does coffee really give you an 'energy boost'?Coffee may make you less drowsy, but it doesn't really "energize" the body.
-
These 7 Foods Cause the Most Pet DeathsCountdown Researchers drew up a list of the "people foods" that are the most common culprits in pet poisonings worldwide.
Countdown -
Why is chocolate bad for dogs?Is it really that bad to give a dog a bite of a chocolate bar? Live Science investigates just how much chocolate is lethal to dogs.
-
Can Energy Drinks Cause Miscarriages?The effect of caffeine on miscarriage is still uncertain, experts say.
-
Does coffee really stunt kids' growth?It's probably fine to give your child weak coffee, as long as you skip the sugar.
