Blokes bitten by the Brazilian wandering spider suffer priapism — painful and persistent stiffies.
And scientists say a gel based on the spider’s toxin helped fellas achieve an erection within half an hour, with no side-effects.It is thought to boost levels of nitric oxide, which widens the tiny blood vessels that pump blood into a bloke’s privates during arousal.A clinical trial found men treated with the BZ371 gel experienced a 113 per cent boost in blood flow to their penis.
Around five million Brits suffer from impotence, caused by stress, depression or conditions which affect blood flow, including heart disease and diabetes.The team told the Journal of Sexual Medicine: “Without any stimulation, a swelling of the penis lasting about 60 minutes was seen 20 minutes later.Prof Maria Elena de Lima said: “We believe it could fill an enormous gap in the market and help millions of people worldwide.