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Caffeine and the brain case study answers

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By Gaia Vince. Researchers used functional magnetic resonance imaging fMRI to determine how coffee activates different areas of the brain in 15 volunteers. Prior to testing, the group fasted for 4 to 6 hours, and abstained from caffeine and nicotine for at least 24 hours. Then they were then given either a cup of strong coffee — containing milligrams of caffeine — or a caffeine-free placebo drink.
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Caffeine After Brain Injury: Safety Considerations and Alternatives

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Caffeine | The Nutrition Source | Harvard T.H. Chan School of Public Health

Caffeine is a commonly used neurostimulant that also produces cerebral vasoconstriction by antagonizing adenosine receptors. Chronic caffeine use results in an adaptation of the vascular adenosine receptor system presumably to compensate for the vasoconstrictive effects of caffeine. We investigated the effects of caffeine on cerebral blood flow CBF in increasing levels of chronic caffeine use. In each state, there were two drug conditions: participants received either caffeine mg or placebo. Gray matter CBF was tested with repeated-measures analysis of variance using caffeine use as a between-subjects factor, and correlational analyses were conducted between CBF and caffeine use.
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Genetics, coffee consumption, and Parkinson's disease Answers

By Latarsha Gatlin. Whether it's a mug full of fresh-brewed coffee, a cup of hot tea, or a can of soda, consuming caffeine is the energy boost of choice for millions who want to wake up or stay up. Now, researchers at Johns Hopkins University have found another use for the popular stimulant: memory enhancer. Michael Yassa, an assistant professor of psychological and brain sciences at Johns Hopkins, and his team of scientists found that caffeine has a positive effect on our long-term memory.
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Metrics details. Caffeine, nicotine, ethanol and tetrahydrocannabinol THC are among the most prevalent and culturally accepted drugs in western society. Smoked tobacco, excessive alcohol consumption and marijuana cannabis smoking are addictive and exhibit adverse health effects. These drugs are not only common in the general population, but have also made their way into elite sports because of their purported performance-altering potential. Only one of the drugs i.
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