Vaping is often marketed as a safer alternative to smoking, but heart surgeon Dr. Jeremy London warns of a terrifying reality: the damage can be instantaneous. Just one hit can trigger total lung failure, landing young patients on life support or worse. The convenience of discreet devices has led to continuous, unregulated chemical exposure that far exceeds traditional smoking habits. This hidden crisis is already overwhelming medical databases and claiming lives, proving that the danger isn't just long-term—it's immediate.