Hydrogen sulphide gas, which most schoolboys will remember as the stink bomb gas, has been found to play a part in the erection process by a team from the University of Naples Federico II. The team injected the gas into intact erectile tissue from men who had undergone sex changes (Ouch! –Ed), as well as using rats, and they think it seems certain that the gas plays a part in the erection process.The suggestion is that the gas helps to relax cells in the penis and stimulate blood flow. There is a chance that this could lead to another drug in the Viagra, Cialis and Levitra stable. This may help the 15% to 20% of the general population who find these drugs ineffective.If it appears and it works and is approved, we will make it available.