So there is the potential that at least for men, oysters may help sexual arousal. Perhaps when eaten in the quantities claimed by Casanova – up to five dozen a day – there would be a noticeable effect.
More aphrodisiacs.
The aromas of ginger, cayenne pepper and garlic are also known to stimulate the arousal centres in the brain, and garlic's anti-clotting properties might also affect libido by increasing blood flow to the brain and sex organs, Hourigan says.