Intermittent fasting triggers surprising changes in the brain

More than one billion people worldwide now live with obesity, a condition that raises the risk of cardiovascular disease, diabetes, and several types of cancer. Yet losing weight and keeping it off can be extremely difficult. The body does not simply respond to fewer calories in a straightforward way. Signals from the gut, hormones, metabolism, and the brain can all influence hunger, cravings, and weight regain.

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