总结：咖啡因能阻隔大脑中的神经元，达到刺激效果。实验表明咖啡因对情绪和大脑运作都有好处。

2. Coffee Can Help You Burn Fat and Improves Physical Performance

咖啡能燃烧脂肪提高身体活动能力

There's a good reason why you will find caffeine in most commercial fat burning supplements. Caffeine, partly due to its stimulant effect on the central nervous system, both raises metabolism and increases the oxidation of fatty acids. Caffeine can also improve athletic performance by several mechanisms, including by mobilizing fatty acids from the fat tissues. In two separate meta-analyses, caffeine was found to increase exercise performance by 11-12% on average.

让我来说说为什么咖啡因是脂肪燃烧成分中最经济的方式吧。咖啡因，对中枢神经系统有着一定的刺激效果，会提高新陈代谢和脂肪酸的氧化。咖啡还能提升运动的几个机制，包括从脂肪组织中活化脂肪酸。两次单独的荟萃分析中显示咖啡因能总体提高11%-12%的体能表现。

Bottom Line: Caffeine raises the metabolic rate and helps to mobilize fatty acids from the fat tissues. It can also enhance physical performance.

总结：咖啡因提高新陈代谢的速度，从脂肪组织中活化脂肪酸。还能提高体能活动表现。

3. Coffee May Drastically Lower Your Risk of Type II Diabetes

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