As Britain considers approving e-cigarettes as medicine, the European Union is passing stricter regulations against this relatively untested nicotine product.

Warnings have been appearing on cigarette packaging for over 40 years, and over the last decades they have evolved to become bigger, bolder, more hard hitting. These days, 40 countries worldwide now legally require large, graphic images on the front of cigarette packs; these depictions of the effects of smoking often include shocking images of diseased people or diseased body parts.