Caffeine is the most used stimulant in the world, with about 90 per cent of the globe's population consuming it in some form. Whether through a hot cup of tea, coffee or cocoa, many cultures rely on caffeine's wakeful jolt to get them going in the morning.
In addition to its stimulating properties, new U.S. research suggests caffeine can also boost long-term memory.
"We've always known that caffeine has cognitive-enhancing effects, but its particular effects on strengthening memories and making them resistant to forgetting has never been examined in detail in humans," says Michael Yassa, lead researcher and psychology professor at Johns Hopkins University.
The new study, published by the journal Nature Neuroscience, shows that caffeine enhances a particular type of memory up to 24 hours after it is consumed.
Researchers examined 160 participants aged 18-30 who did not regularly eat or drink caffeinated products in a double-blind trial.Read More »from Caffeine boosts long-term memory, study shows