Selena Gomez's vaping admission highlights hidden health risks doctors say millions face daily

When Selena Gomez revealed to her millions of followers that heavy nicotine vaping had noticeably altered her voice, calling the habit "stupid," her confession highlighted a larger issue with the practice.

For the singer and actress, the physical toll manifested in her vocal cords. But medical professionals emphasize that her experience is only a visible symptom of a deeper health crisis affecting millions of Americans who use e-cigarettes every day.

While often marketed as a safer alternative to conventional cigarettes...