No effect, but...: Teens grow to their max height when they have adequate nutritious foods, get enough exercise, sleep well, and are happy in mood. If masturbation does not pull them away from their daily healthy meals, does not replace their exercise activities (hands should not be their only exercise); if masturbation helps them sleep sooner and better, and keeps them happy, then masturbation lets them grow tall.
Answered 5/26/2018
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