Millions of Americans may soon lose their health insurance coverage, potentially leading to a significant increase in costs for those who remain. This is due to the expiration of enhanced premium subsidies for individuals purchasing coverage through the Affordable Care Act (ACA) marketplace. The lapse of these subsidies has resulted in a substantial rise in insurance premiums, with the average subsidy recipient facing a more than double increase from $888 to $1,904 per month in 2026. Economists predict that young, healthy individuals are most likely to drop their policies if they perceive premiums as unaffordable. This could leave an older, sicker population, who are more likely to require costly medical care, which may further drive up insurance premiums in a self-reinforcing cycle. The situation is particularly concerning for young adults, as an estimated 7.3 million people, including 2.3 million aged 19-34, are expected to leave the ACA marketplace, resulting in a higher number of uninsured individuals. However, some experts argue that warnings of a 'death spiral' in the ACA market may be premature. They suggest that the loss of enhanced subsidies is a temporary shock, and the tax credit structure, which caps out-of-pocket expenses as a percentage of household income, should prevent a full-blown death spiral. The focus now is on preventing a scenario where individuals bear the full premium increase, which could be triggered by converting the subsidy structure into a fixed-dollar payment, a proposal supported by some Republican lawmakers and former President Donald Trump. The outcome of these decisions will significantly impact the health insurance landscape and the financial burden on millions of Americans.