How weight-loss drugs are changing the diet industry

Ever since college, Brad Jobling struggled with his weight, fluctuating between a low of 155 pounds when he was in his thirties to as high as 220. He spent a decade tracking calories on WeightWatchers, but the pounds he dropped always crept back onto his 5-foot-5-inch frame. A little over a year ago, the 58-year-old Manhattan resident went on a new weight loss drug called Wegovy. He’s lost 30 pounds, and has started eating healthier food and exercising—the habits behind many...