Vaping always did seem fishy. Widely marketed as a safer alternative to traditional cigarettes, electronic cigarettes are now hooking younger generations with promises that they’re a safer method. But new research has sent those beliefs up in smoke, and it’s all thanks to a small and unlikely model — the zebrafish. At least 15 million adolescents between the ages of 13 and 15 now vape, according to WHO data. Meanwhile, mounting evidence continues to show that e-cigarettes are just as bad as