Biological defenses make losing weight and keeping it off unusually difficult. Better treatments, healthier environments, and sustainable habits may support long-term health more effectively than willpower alone. For years, weight loss has been framed as a simple test of discipline: consume fewer calories and exercise more. Modern research, however, shows that body weight is regulated [...]

New research from Columbia University found that adults who cut their sleep by about 80 minutes for six weeks packed on a pound (0.45 kg) and moved less during the day.

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