Yes it is, because masturbation destroys the nervous systems, one's vital health, and strains the sexual organs considerably. You can study the following articles to learn more about the damages of masturbation to one's health, which can relate to the aforementioned disease.
Joyful in hope, suffering in tribulation, be thou constant in thy prayer.
Benedictis, qui venit in nomine Domini. Osanna in excelsis.
"Blessed is he who comes in the name of the Lord. Hosanna in the highest!"