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Coffee isn't just warm and energizing, it may also be extremely good for you. In recent years, scientists have studied the effects of coffee on various aspects of health and their results have been nothing short of amazing. 除去暖身子外加提神，咖啡可还有不少好处哦。最近几年，科学家们研究了咖啡对于健康各个方面的影响，结论可能会让你大吃一惊哦。 Here's why coffee may actually be one of the healthiest beverages on the planet. 下面就是为啥咖啡是地球上最健康的饮料之一的原因。 1. Coffee Can Make You Smarter 咖啡能让你更聪明 Coffee doesn't just keep you awake, it may literally make you smarter as well. The active ingredient in coffee is caffeine, which is a stimulant and the most commonly consumed psychoactive substance in the world.Many controlled trials have examined the effects of caffeine on the brain, demonstrating that caffeine can improve mood, reaction time, memory, vigilance and general cognitive function. 不仅提神，还能让你更聪明。咖啡里面的兴奋成分是咖啡因，这是最常见的兴奋剂。很多实验表明咖啡因对大脑的有着积极的作用，能改善心情，减少反应时间，提升记忆力，提高警觉以及认知功能。 Bottom Line: Caffeine potently blocks an inhibitory neurotransmitter in the brain, leading to a net stimulant effect. Controlled trials show that caffeine improves both mood and brain function. | 
