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Based upon "Resonant Excitation Of Sexual Orgasms - Tao Of Love Coupling"
by Newman K. Lin, Ph.D., PE, a bridge between the Eastern Taoism Sexuality and the Western Engineering Science.==> [ORDERING THE BOOK]< =>[Why?]

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Case Study:  Why a hard core body builder or athletic person experience penile and testicular shrinkage even if he is taking a lot of Nitric Oxide enhancements; on the role of the sympathetic nervous beta receptors in the penile erection, testicular function and sexual orgasm
Reader: 4/19/2006>
I'm experiencing a 'retracted scrotum' -- it's basically pulled tight against me like it's cold all the time. I feel like I have a lack of sensitivity as well in my penis -- although I can attain an erection it's just not as rigid and forceful as it used to be. This has all started in the last 3 to 4 months. Prior to that - I had NO negative type symptoms at all. Are my genitals shrinking? Is that even possible? What should I do?

I'm 6', 200lbs. and very athletic and fit. I train all the time. 

I supplement with Nitric Oxide (NO2) and I also take a T-Booster Vitrix. I take ZMA at night prior to sleep, and a good multi-vitamin. 

My sex drive is in the toilet - mostly I believe because of my lack of response and/or hit to my confidence right now. (My marriage is a 'challenge' right now as well). 

I don't drink hardly at all and I don't smoke either.

My most recent physical resulted in the following: Cholestoral 168 (61 HDL, 96 LDL), and my "T" level (Free) was tested to be 416.76 This was done in January '06.

I look forward to your feedback
Dr. Lin: 4/19/2006> Most of your blood flow go to your muscles, but not to your penis when you dilate your entire arterial system with NO without activating the sympathetic nervous beta receptors.
Most of the Nitric Oxide are used to dilate the arteries in your muscles rather than your penis and testicles.  So, you have directed your blood flow to your muscles with the NO enhancements.  The penile and testicular arteries can be dilated by the sympathetic nervous beta receptors too, in addition to the NO-cGMP nervous pathway.  Interestingly, the beta receptors in the penile and testicular arteries are much denser than these in the muscles. Activating the beta receptors will cause more blood flow to go into the pelvic area, penis and testicles for sex while activating the NO-cGMP receptors will dilate the arteries of the entire body. For a better sexual function, your need both NO-cGMP and beta receptors activation.
In addition, the sympathetic nervous beta receptors in the penis and testicles play a very tricky role in testosterone production. People on the beta blocker medication usually experience erectile dysfunction and testosterone deficiency for that reason.
When you work or train hard, your adrenal function produces excessive adrenaline (epinephrine) and cortisol to turn on the alpha receptors and to shut down the beta receptors. That is, your testosterone level drops and your adrenaline and cortisol level go sky high.
You won't see any people erecting their penises during training and exercises even if their trainers are busty, sexy, naked girls.
Chronic elevation of adrenaline and cortisol will shut down the testicular function.
You can take ViaPal-hGH-P(3-010) plus FishOil(1000 mg each meal) to help you gradually rejuvenate your neuro-endocrine function and boost your prostaglandin E-1/E-3, Oxytocin and Nitric Oxide production for healing.
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