Researchers report that after 3 nights of consecutive sleep restriction, caffeine no longer improves alertness or performance.
A new study to be released in Neurology identifies caffeine levels in the blood as a potential biomarker for Parkinson's disease, Researchers discovered people with Parkinson's had lower levels of caffeine in their blood than people without the disease, even if they had consumed the same amount of caffeine.
A new study describes the mechanism by which caffeine can counteract cognitive deficits associated with aging in rats.
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.
Researchers report caffeinated drinks reduce our ability to taste just how sweet something is. Ironically, this makes us crave sweet tastes more.
People who consume coffee regularly have enhanced sensitivity to odors associated with caffeine. Those who drink more than 4 cups a day can identify the smell of coffee faster, and at weaker concentrations than those who drink less daily.
Caffeine has surprising effects when it comes to team work, researchers say. A new study reveals people who drank coffee gave more positive reviews about group task performance and were more on topic than those who drank decaf.