pb by Andrew CaringibppScientists have just discovered Viagra for the brain—just in time for Valentine’s Day. A small injection of kisspeptina—a key hormone in puberty—enhances the brain’s sexual appetite. This is different from Viagra, which illicit a purely physical response. When shown romantic imagery, men who received kisspeptin had increased activity in their brain’s sexual arousal centers.pbr pThe post Scientists Discover Viagra For The Braina appeared first on Vocativa.