Originally Posted by Ilya
First of all it would be nice to define what do you mean by "most spiritual disciplines". You didn't say religions, which would limit us to just 4000 ones to check out. I'm not sure that most spiritual disciplines in fact forbid masturbation.
But those who do, do it for various reasons.
One is to put everyone in a position of a sinner. By the way even in Christianity, masturbation is not a sin and is frowned upon because of Onan contradicting the custom of having sex with his dead brother's wife.
Once you have everybody at a sinner's position it creates great amount of control.
In Islam masturbation is piled together with any extramarital sexual activity.
This is also a way to control the followers.
In Hinduism nothing is said against or for masturbation.
Neither in Buddhism
In Taoism masturbation is encouraged as a practice that leads to the control of ejaculation and sexual energy.
Some schools might prohibit masturbation for the reasons of building character, but I'm not sure about that.
You're simply wrong. It's really amazing but almost every sentence in your post is far from the truth. Of course monotheisms (you forgot about the oldest one), are more categorical than eastern paths, but to say that these are indifferent or encouraging is untrue. Taoism is strongly against ejaculation so if it's encouraging masturbation then only without semen emission, this 'unhealthy' type leading as you wrote to severe health problems.