Contrary to the claims in the video There are no proven medical adverse effects of masturbation.
Like everything in life.. Don't overdo it
"Is it true, if you don't use it, you lose it?" - 40 year old Virgin.
In seriousness, I know people who stay away from the internet because it is a problem. Not me, but I have to find clever ways to manage it.. Like alcohol is to some, certainly porn is to many. I would guess #1 reason for impotence in sex lives due to desentization and unrealistic expectations.
Moderation - According to some eastern teachings, there is a table to follow as far as releasing sexual energy.. it's something like teen twice a week, 20s once a week, 30s every other week, 40s every 3rd.. etc Just saying.
I would say ideally get intimate with your partner on the weekend after pent up for best sex release. If single follow table above as much as possible.
The strange Humanoid discussed other thread is due to shaming teens for sex or masturbating.. they resort to making up.