You may have thought that it just got old men mightily horny, but it seems there are some less lusty and more loved-up benefits to Viagra.

New research has revealed that the frisky stimulant not only helps men achieve erections, but that it also promotes a "cuddle chemical" that increases loving feelings.

Study leader Professor Meyer Jackson, said: "Erectile dysfunction drugs do not induce erections spontaneously; they enhance the response to sexual stimulation.

"The same thing is happening in the posterior pituitary - Viagra will not induce the release of oxytocin on its own, but it will enhance the amount of release you get in response to electrical stimulation."

Basically this means that Viagra helps men produce oxytocin which scientists believe may provide a biological explanation for why people fall in love, especially after sex.

Hmm, is this discovery meant to make relationships less complicated?!

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