Nitroglycerin is a vasodilator, which means that it opens up blood vessels to improve flow

If you want to be dynamite in the bedroom, you might need dynamite in your pants.

A topical gel containing the explosive nitroglycerin could be used to treat erectile dysfunction after research found that it was successful in some men.

In a study of more than 200 men suffering from impotence, the gel was found to significantly improve erections in about a quarter of cases. Doctors said that this could make it a useful treatment for some men, not least because as a gel has the advantage of acting only in the relevant part of the body.