A new study reveals animals injected with caffeine during the last 10 minutes of exposure to general anesthetic woke more quickly than those injected with saline solution. Waking times became significantly quicker with higher doses of caffeine.
A taste for black coffee and dark chocolate is possibly a genetic trait, a new study reports. Coffee drinkers who have a genetic variant that reflects faster caffeine metabolism prefer bitter, black coffee. The same genetic variant is found in those who prefer dark chocolate.
Researchers report a lower risk of developing multiple sclerosis in people who drink six or more cups of coffee a day.
A new study links consumption of sugary, caffeinated drinks to shorter sleep duration in adults.
A new study reports a simple cup of coffee could be key to helping people stick to their fitness plans.
New studies have identified an association between daily high coffee consumption, brain shrinkage and an increased risk of dementia. However, researchers were unable to identify a causal relationship between caffeine consumption and dementia. The study also found moderate coffee consumption was associated with lower dementia risk than high consumption, or abstaining from caffeinated drinks.
Consuming nicotine and alcohol four hours before bedtime causes worse sleep continuity and sleep disruptions. Surprisingly, researchers found no link between caffeine consumption four hours before sleep and sleep disturbances for most people.
Researchers have developed a web-based caffeine optimization tool that helps determine the ideal dosage and timing for a cup of joe, based on the individual. The aim of the algorithm is to help users maximize the effects of alertness without indulging in excessive caffeine consumption.
People who drink between 4 - 6 cups of coffee or tea per day have a lower risk of stroke and dementia, researchers report. Drinking coffee alone, or in combination with tea, was associated with lower risk of post-stroke dementia.