A Brazilian spider delivers more than a painful bite that sends most victims to the hospital. Its venom stimulates an hours-long erection. Now scientists have figured out the chemical that seems to be responsible for the penis boost. In Brazil, emergency room staff can immediately spot the victims of a bite from the Brazilian wandering spider (Phoneutria nigriventer). Patients not only experience overall pain and an increase in blood pressure, they also sport an uncomfortable erection.

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> A Brazilian spider delivers more than a painful bite that sends most victims to the hospital. Its venom stimulates an hours-long erection. Now scientists have figured out the chemical that seems to be responsible for the penis boost. In Brazil, emergency room staff can immediately spot the victims of a bite from the Brazilian wandering spider (Phoneutria nigriventer). Patients not only experience overall pain and an increase in blood pressure, they also sport an uncomfortable erection.

https://www.livescience.com/4429-natural-viagra-spider-bite-erection.html