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  1. Koveras

    The Role Of Steroids In The Prediction Of Affective Disorders In Adult Men

  2. haidut

    Pregnenolone Is The Most Potent Inhibitor Of The Stress Signal (CRH)

    I think this study should finally put to rest the arguments and debates of whether pregnenolone raises or lowers cortisol, and how it affects the stress response overall. I posted a similar study, which showed that the pregnenolone metabolites progesterone and allopregannolone potently inhibited...
  3. haidut

    Progesterone, Testosterone, Allopregnanolone Are Serotonin Antagonists

    This study shows that some of the gonadal steroids act in a manner similar to the drug ondansetron - i.e. antagonize the 5-HT3 "receptor". While pregnenolone sulfate was not antagonistic to 5-HT3, taking pregnenolone metabolizes mostly into progesterone and allopregnanolone. So, it seems like a...