Besides easing stress and boosting mood, exercise increases blood flow to your lady parts and stimulates feel-good hormones, allowing you to get turned on more quickly and easily and heightening sensation. In a study from the University of Texas at Austin, women who rode stationary bicycles for 20 minutes got more physically aroused by a racy film clip than women who had filled out paperwork beforehand. Other research suggests men benefit too, so if you’re not moving, you’re missing out on this biochemical foreplay.
“The brain is very plastic, so the more you reinforce those circuits, the better they work,” Clayton said. “And if you don’t use it, there’s this atrophy.”