For 10 points, name this condition of extreme overweightness.
James Levine has argued that susceptibility to this condition covaries with a kind of activity called NEAT. A paradox named for this condition draws from observations that dialysis patients with this condition are less likely to die. The FDA has approved orlistat and lorcaserin to treat this condition. Several variants of the FTO gene are correlated with higher risk of this condition. High levels of ghrelin may cause children with (*) Prader-Willi syndrome to have this condition. Zucker rats and ob/ob mice have this condition due to mutations in leptin and leptin receptors. It can be treated by bariatric surgeries like gastric bypass. More than a third of American adults have this condition, which is defined by a body mass index above 30 kilograms per meter-squared. For 10 points, name this condition of extreme overweightness.
James Levine has argued that susceptibility to this condition covaries with a kind of activity called NEAT.
obesity [prompt on answers like "being overweight" until the end]