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erectile dysfunction

When Testosterone Doesn’t Lead to Better Erections

Excerpt from the book: Testosterone: A Man’s Guide Most men find that their sexual desire increases after they start testosterone replacement. Sexual dreams and nighttime/morning...
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How Do ED Drugs Compare? Cialis vs Viagra vs Levitra vs Stendra

A study attempted to look specifically at patient preference when trying to determine choice of PDE5I. This was a prospective, randomized, open-label, fixed-dose, preference...
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Growth Hormone Releasing Hormones and Peptides: Research History

Nelson Vergel, the founder of ExcelMale.com, ClinicOptimizers.com and DiscountedLabs.com, interviews Dr. Richard Walker about the history of research on GHRH and GHRPs. Richard F. Walker,...
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Is Estradiol a Friend or Enemy of Men?

Is Estradiol a Friend or Enemy of Men? Estradiol is a very important sex hormone--in fact, it's the primary female sex hormone. It plays a...
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Nelson Vergel’s Top 10 Testosterone Commandments

1.Have reasonable expectations. Testosterone is not a magic bullet. 2.Do not fall prey to testosterone booster scams. 3.Do not obsess about estradiol without testing it with...