Diabetes is expected to surge dramatically in young people over the next several decades in what experts say should be a wake-up call to prioritize health in America. Researchers estimate that in 2060, there could be as many as 220,000 people under age 20 with Type 2 diabetes, an increase of nearly 700%, according to a Centers for Disease Control and Prevention study. But Lilly’s new weight loss drug could be massive. According to an estimate from Bank of America analyst Geoff Meacham, annual sales of tirzepatide could hit a record $48 billion.