A useful point to start from in assessing tea’s energizing value is athletes and their coaches. They work together to boost performance, minimize injury and health risk, and conform to very strict regulations on use of nutritional aids and pharmaceuticals. Of course, not all stay within the limits of legality and safety and drug abuse is a problem in every sport. But

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Peter has been a senior professor at leading business and technology universities across the world, including Harvard, MIT, Stanford, and Oxford. He is the author of over forty books and a noted international consultant and public speaker. Tea writing and education are his avocation, with a focus on helping tea lovers find the ones that fit their personal tastes at best value. He has a strong interest in the offbeat stories and social and cultural aspects of tea history. His latest book is Tea Tips.