Studies show that masturbation strengthens the immune system. The journal Neuroimmunomodulation reports that this practice increases the number of white blood cells, which are important for fighting infections. In addition, orgasm temporarily lowers levels of cortisol, the stress hormone, whose chronically elevated levels can weaken the immune system. By lowering cortisol, masturbation acts as a stress reliever, which is beneficial for overall health.
On October 7, 201 Maintains your libido and sexual function
If you are old and masturbate, I have to tell you this...