The Useless Concept of ‘Calories’

Dr. Jason Fung
Personal Growth
Published in
7 min readNov 13, 2017

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Currency (money) is useful because it represents a mutually agreed-upon means of measurement and exchange. That is, if we all accept American dollars as our currency of exchange, then items as disparate as a bus or an onion can be all measured in the same units. The bus is expensive and costs more dollars. The onion is cheaper and costs less dollars. But everything is measured in dollars and both parties accept dollars as the currency of exchange.

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Dr. Jason Fung
Personal Growth

Nephrologist. New York Times best selling author. Interest in type 2 diabetes reversal and intermittent fasting. Founder www.TheFastingMethod.com.