Researchers have discovered a group of brain cells that boost appetite when there is a prolonged surplus of energy in the body, such as excess fat accumulation in obesity.
Do you head to the vending machine as a work deadline approaches? A study in mice has found stress can create changes in the brain leading to unhealthy habits and weight gain.
Chronic stress can cause the brain to stop responding to signals that encourage stopping eating when full, leading to craving for high-calorie comfort foods, according to a study by Australias Garvan Institute of Medical Research.