22
Nov
Caffeine has been regarded as the most commonly taken psychostimulant in the world. Globally, around 400 billion cups of coffee are drunk annually, and 90% of Americans begin their day with a cup. No surprise brain-healthy coffee is the United States' largest food import and second most valuable commodity after oil. Given the worldwide popularity of coffee, are there any benefits to consuming caffeine? The brief answer is "yes." There is even some evidence that coffee enhances cognitive function. Alertness Caffeine is a stimulant that works by accelerating the brain. Caffeine increases our alertness, which can improve our concentration and…