Caffeine: Mechanisms of Action, Effects on Cognition, and Potential Toxicity

Written by Brett Weiss July 2019 Image by OpenClipart-Vectors from Pixabay More than 80% of the US population consumes caffeine (1,3,7-trimethylxanthine) (McLellan et al., 2016).  Many people who consume this psychoactive stimulant do so to enhance cognition and physical performance.  Recent scientific research has provided evidence that caffeine enhances attention, vigilance, and motivation.  Athletes and …