e-cigs. We don't know their exact relative harmfulness/safety, but there is fairly broad consensus that 'vaping' is better for your health than cigarettes. Cle

e-cigs. We don't know their exact relative harmfulness/safety, but there is fairly broad consensus that 'vaping' is better for your health than cigarettes. Clearly more work needs to be done to rigorously investigate and evolve the space, but recent Federal regulations have essentially put small innovators out of business. In sum: a harm-reducing item is being regulated into the ground.