More than 100 million people — including at least 15 million children — are now using e-cigarettes, according to the World Health Organisation (WHO).

Children are nine times more likely than adults to vape, raising serious concerns about early nicotine dependence. WHO officials warn that e-cigarettes, often marketed as “harm reduction,” are in fact hooking a new generation on nicotine and undermining decades of progress in tobacco control.

While traditional tobacco use continues to decline globally, vaping is rapidly increasing, especially in high-income countries. Yet by the end of 2024, 62...