Obesity Theories Challenged By Hunter-Gatherer Study

A new study comparing the lifestyle of Westerners with that of hunter-gatherers challenges the idea that the current obesity crisis is due to lack of physical activity. The researchers suggest the more likely explanation is over-consumption of calories, particularly due to the presence of energy-dense foods in the Western diet…

Study Suggests Obesity Is Due To Increased Food Consumption, Not Decreased Energy Expenditure

Modern lifestyles are generally quite different from those of our hunter-gatherer ancestors, a fact that some claim as the cause of the current rise in global obesity, but new results published in the open access journal PLoS ONE find that there is no difference between the energy expenditure of modern hunter-gatherers and Westerners, casting doubt on this theory…