headline from the New Scientist.

The reasoning goes like this: H2SO4 (hydrogen sulphide) is releases an enzyme which then dilates the arteries (capilliaries) and the subsequent encorgement is the result. Viagra apparantly does the trick via NO (nitrous oxide). H2SO4 is the bad smell in stink bombs, volcanoes and .............

personally I would have thought a fart would be a passion killer.

And injections are not far behind either, which is the current way it has been tested on mice.

So if your PC mouse goes hard - stop eating those onions.