INFOGRAPHICS: “HOW TO ACHIEVE YOUR WEEKLY RECOMMENDED EXERCISE”

COMMENTARY

The idea of “METS” as a unit of energy expenditure is interesting and practical. I agree that EXERCISE IS IMPORTANT.

Frank Wilczek, in an article on Dyson Freeman, talked about another unit that I find even more interesting . He proposed that 100 Watts be the unit of energy expenditure. This is (approximately) the energy used in an old 100 Watt incandescent light bulb. It is also the amount of energy used by the “average” human on a 2000 Calorie diet.

Using this unit, the average U.S. Citizen uses 95 units, compared to a 25 unit world average. The suns output is 5 X ten to the fourteenth power, of which 1X ten to the fourth power units lands on earth. Good cocktail information.

I also read that a professional cyclist has an output of only 400 watts, vs. the 14 Mets mentioned in the article.but when I read that the human body is only 20-25% efficient in converting Calories to Watts  of Output, 14 Mets made more sense.

—Dr. C.

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