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research Effect of Testosterone, Dihydrotestosterone, Estradiol and Cortisol on the Quality of Fresh and Cryopreserved Stallion Sperm

June 2022 in “Journal of Experimental Biology and Agricultural Sciences”

This study found that steroid hormones influence the quality indicators of fresh and cryopreserved stallion sperm, with testosterone negatively correlated with motility and estradiol positively correlated with survival rate.

research Family planning 2011: better use of existing methods, new strategies and more informed choices for female contraception

11 citations , June 2012 in “Human Reproduction Update”

This review discusses recent advancements in female contraception and covers topics like adapted regimens, non-invasive sterilization, and the promise of new methods, but it reports no new clinical findings.

research Drug Treatment of Acute Leukaemia Current Status

June 1989 in “Drugs”

Treatments for acute leukaemia lead to high remission rates, but relapses occur, requiring ongoing advancements in care.

research SARS-CoV-2 infection reduces the number of spermatogonial stem cells and dysregulates the transcriptional landscape of the human testis

April 2026 in “Research Square”

This study found that COVID-19 infection disrupts spermatogenesis, alters testicular cell populations, and may impact male fertility by causing long-term changes in testicular function and reduced sperm quality, as observed even in patients who have recovered from the acute phase of the infection.

research Fertility and Sterility Vol 101 No 4, April 2014

March 2014 in “Fertility and Sterility”

The April 2014 issue of "Fertility and Sterility" discussed various reproductive health topics, including hormone therapy benefits, sperm and genetic factors in male infertility, and the link between PCOS and diabetes.

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community We already know how to permanently fix hair loss. The science is done. The only thing missing is the funding to run one experiment.

in Technology 613 upvotes 4 months ago

A permanent hair loss solution could involve reprogramming hair follicles to resist DHT using mRNA and siRNA. However, high costs, safety concerns, and the pharmaceutical industry's preference for ongoing treatments over one-time cures are major obstacles, with finasteride and minoxidil remaining standard treatments.

community Why do we have head hair in first place if we evolved to start losing it in some cases as soon as puberty hits

140 upvotes 11 months ago

Hair loss is influenced by genetics and sensitivity to hormones like DHT. Treatments like Minoxidil and finasteride are commonly used, and baldness persists as it doesn't affect reproductive success.

community Attention Finasteride / Dutasteride and Your liver

374 upvotes 1 year ago

Finasteride may cause elevated liver enzymes, potentially leading to liver issues, though this is rare. Users should monitor liver function and consider topical alternatives if liver sensitivity occurs.

community PP405: The Ultimate Hair Loss Drug for Complete Hair Growth

211 upvotes 1 year ago

PP405 is a new hair loss treatment in phase 2 trials that may promote hair growth by increasing lactate production and activating hair follicle stem cells. It could potentially replace hormone-disrupting treatments like Minoxidil and finasteride.

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learn Stem Cell Factor

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