Bilkul nahi! Kyunki Hastmaithun ek safe /surakshit tareek ahai apni santushti karne ka. Isse koi nuksaan ya beemari nahin hoti . yadi chahein toh bahut see activities hain, jaise ki khel – games, gym ya koi hobbies… ok? http://lovematters.in/hi/resource/men-masturbating