Wow, and I thought my furry fetish was odd! From Ananova:
Scientists say the smell of rotten eggs is arousing for men and could be used to create an alternative to Viagra.
Nerve cells release minute amounts of hydrogen sulphide - the gas which gives rotten eggs their distinctive smell - when a man becomes aroused, causing blood vessels to relax and so fill with blood.
Similar research on another gas, nitric oxide, led to the creation of Viagra, reports the Daily Mail.
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