Kinsey Was Wrong: Sexuality Isn’t Fluid We like to think about sexual orientation as a spectrum—but a new study shows it’s far less flexible

the brains of morbidly obese women contained fewer μ-opioid receptors available for binding than the brains of women of normal weight. These receptors allow people to feel the intense rushes of pleasure that come with activities from eating to using heroin. “If there is insufficiency in [the food reward processing] system, the compensation would be […]