Weight-loss drug sales could skyrocket to $150 billion. Here's how

Just last year, sales estimates were in the $100 billion range. As millions seek access to weight-loss drugs from Novo Nordisk and Eli Lilly, increasing supplies, possible wider usage and a growing number of would-be rivals are leading some experts to raise annual global sales forecasts for the treatments to about $150 billion by the early 2030s.