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Instead, we burn calories within a very narrow range: nearly 3,000 calories per day, no matter our activity level.   In this book, he draws on twenty years of cutting-edge science to take a closer look at what happens to the energy we consume. Burn explores the ways in which metabolism controls every aspect of our health - from fertility to immune function - and reveals the truth about the dynamic system that sustains us.   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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.\u003cbr\u003e \u003cbr\u003e 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 \u003ci\u003ecan\u003c\/i\u003e 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 \u003ci\u003eall\u003c\/i\u003e diets succeed or fail: For shedding pounds, a calorie is a calorie.\u003cbr\u003e \u003cbr\u003e 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.\u003cbr\u003e \u003cbr\u003e Revealing, irreverent, and always entertaining, Pontzer has written a book that will change how you eat, move, and live.","brand":"WoB","offers":[{"title":"US \/ GOOD \/ SBYB","offer_id":49790345609489,"sku":"CIN0593421043G","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":49889980449041,"sku":"CIN0593421043VG","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ NEW \/ INGRAM","offer_id":51004267790609,"sku":"NIN9780593421048","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ WELL_READ \/ SBYB","offer_id":51758199177489,"sku":"CIN0593421043A","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ WELL_READ \/ INTERNAL","offer_id":51818045702417,"sku":"GOR014410344","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":51873256833297,"sku":"GOR012658172","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0593421043.jpg?v=1751360423"},{"product_id":"burn-book-herman-pontzer-9780241388426","title":"Burn","description":"'Pontzer's findings have huge implications for our attitudes to exercise, diet and public health' Mark Webster, Sunday Times   A myth-busting tour of the body's hidden foundations from a pioneering evolutionary biologist   'Public health strategies stubbornly cling to the simplistic armchair engineer's view of metabolism, hurting efforts to combat obesity, diabetes, heart disease, cancer, and the other diseases that are most likely to kill us'   Herman Pontzer's ground-breaking research has revealed how, contrary to received wisdom, exercise does not increase our metabolism. 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Respected anthropologists Glenn Conroy and new coauthor Herman Pontzer use clear writing and abundant, carefully chosen illustrations to illuminate key concepts and help students get the most out of the course. 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