Anxiety/Stress: It's normal for some men to have mostly shrinking of the scrotum and penis. It's related to not just heat but anxiety level, stress level, hormone levels etc. Some patients reports shriveling when working out or when stressed. If you are always tensing up your anal sphincter you are likely a bit tense, and that tightening of the sphincter is related to the shriveling.
Answered 12/9/2016
861 views
Poor blood flow: There's probably reduced blood flow to your genital region. If you are not experiencing any difficulties with an erection then this shouldn't be an issue at all
Answered 12/14/2016
860 views
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2 doctors weighed in across 2 answers
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A doctor has provided 1 answer
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