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"One of the foremost researchers in human metabolism reveals surprising new science behind food and exercise. We burn 2,000 calories a day. And if we exercise and cut carbs, we'll lose more weight. Right? Wrong. In this paradigm-shifting book, Herman Pontzer reveals for the first time how human metabolism really works so that we can finally manage our weight and improve our health. Pontzer's groundbreaking studies with hunter-gatherer tribes show how exercise doesn't increase our metabolism. Instead, we burn calories within a very narrow range: nearly 3,000 calories per day, no matter our activity level. This was a brilliant evolutionary strategy to survive in times of famine. Now it seems to doom us to obesity. The good news is we can lose weight, but we need to cut calories. Refuting such weight-loss hype as paleo, keto, anti-gluten, anti-grain, and even vegan, Pontzer discusses how all diets succeed or fail: For shedding pounds, a calorie is a calorie. At the same time, we must exercise to keep our body systems and signals functioning optimally, even if it won't make us thinner. Hunter-gatherers like the Hadza move about five hours a day and remain remarkably healthy into old age. But elite athletes can push the body too far, burning calories faster than their bodies can take them in. It may be that the most spectacular athletic feats are the result not just of great training, but of an astonishingly efficient digestive system. Revealing, irreverent, and always entertaining, Pontzer has written a book that will change how you eat, move, and live."--Publisher's website.
"New research blows the lid off how we really burn calories, lose weight, and stay healthy"--… (más)
One of the best books related to fitness and health (in a broad category). I picked it up because of Keith Rabois' recco.
Like my favorite book Sapiens, it digs deep into the evolution of human beings from apes and very beautifully sets the context. Very crisply articulates about the importance of metabolism and demystifies a lot. My key takeaway from this book are these two points:
1. Exercise doesn’t change the number of calories you burn each day, but it does change how you spend them—and that makes all the difference. 2. Exercise won’t keep you thin, but it will keep you alive.
It took sometime for me to wrap my head around the fact that an Olympic athlete and a normal person's "daily energy expenditure" is more or less the same. Herman Pontzer writes so good on this and cites many research about metabolism. So the exercise does nothing to weight loss but necessary for living a vital life.
But the most tough pill to digest is the take on diet. Herman argues that keto, low-fat, vegan all diets are just calories, YMMV based on the total calorie count. This is hard to accept for me as I was influeneced a lot by Gary Taubes' school of thought, keto and low-carb. But Herman has engaged with Gary on keto and explains why it works for some and how to think about food and diet in a wholesome manner.
This is truly a keystone book for me that has given a new lens to look at fitness, diet and exercise. Fantastic read. Highly recommend it. ( )
In the end not that informative. You can summarise it in a sentence - the only way to control weight is by restricting calorie intake. Not exactly groundbreaking. The rest is just the author moaning about the mean old world. ( )
"One of the foremost researchers in human metabolism reveals surprising new science behind food and exercise. We burn 2,000 calories a day. And if we exercise and cut carbs, we'll lose more weight. Right? Wrong. In this paradigm-shifting book, Herman Pontzer reveals for the first time how human metabolism really works so that we can finally manage our weight and improve our health. Pontzer's groundbreaking studies with hunter-gatherer tribes show how exercise doesn't increase our metabolism. Instead, we burn calories within a very narrow range: nearly 3,000 calories per day, no matter our activity level. This was a brilliant evolutionary strategy to survive in times of famine. Now it seems to doom us to obesity. The good news is we can lose weight, but we need to cut calories. Refuting such weight-loss hype as paleo, keto, anti-gluten, anti-grain, and even vegan, Pontzer discusses how all diets succeed or fail: For shedding pounds, a calorie is a calorie. At the same time, we must exercise to keep our body systems and signals functioning optimally, even if it won't make us thinner. Hunter-gatherers like the Hadza move about five hours a day and remain remarkably healthy into old age. But elite athletes can push the body too far, burning calories faster than their bodies can take them in. It may be that the most spectacular athletic feats are the result not just of great training, but of an astonishingly efficient digestive system. Revealing, irreverent, and always entertaining, Pontzer has written a book that will change how you eat, move, and live."--Publisher's website.
"New research blows the lid off how we really burn calories, lose weight, and stay healthy"--
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Like my favorite book Sapiens, it digs deep into the evolution of human beings from apes and very beautifully sets the context. Very crisply articulates about the importance of metabolism and demystifies a lot. My key takeaway from this book are these two points:
1. Exercise doesn’t change the number of calories you burn each day, but it does change how you spend them—and that makes all the difference.
2. Exercise won’t keep you thin, but it will keep you alive.
It took sometime for me to wrap my head around the fact that an Olympic athlete and a normal person's "daily energy expenditure" is more or less the same. Herman Pontzer writes so good on this and cites many research about metabolism. So the exercise does nothing to weight loss but necessary for living a vital life.
But the most tough pill to digest is the take on diet. Herman argues that keto, low-fat, vegan all diets are just calories, YMMV based on the total calorie count. This is hard to accept for me as I was influeneced a lot by Gary Taubes' school of thought, keto and low-carb. But Herman has engaged with Gary on keto and explains why it works for some and how to think about food and diet in a wholesome manner.
This is truly a keystone book for me that has given a new lens to look at fitness, diet and exercise. Fantastic read. Highly recommend it. (