In the course of his lengthy neuroimmunological experiments, the scientist arrived at the conclusion that sexual intercourse has a positive effect not only on the overall physical condition of both partners but also on their immune systems. Phagocytes are to be praised for the marvel. Phagocytes are cells that help the body rid itself of various ailments. This is how they work: once they locate an alien body, they penetrate it and trigger self-destruction....
Come to think of it, I haven't had a cold in months...