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Anabolic-androgenic steroids harm male hormone levels, sperm, metabolism, and can cause acne, hair loss, and breast growth.

5α-reductase-2 deficiency causes ambiguous genitalia at birth and affects male sexual development, but individuals often develop male characteristics at puberty.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

Amlodipine impairs fertility in male rats by affecting sperm and testicular structure.

Medical treatments like chemotherapy and radiotherapy can harm sperm production, so freezing sperm before treatment is important for men who want children later.

Certain maturity signs appear before and after the first release of sperm in boys.

The conclusion is that there is a high demand for new contraceptives that provide both pregnancy prevention and protection against STIs, along with additional health benefits.

The conclusion is that formalizing how past decisions influence current health technology assessments could improve the credibility and defense of coverage decisions.

Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.

The exhibition made people think about ethics and society in relation to biotech advances.

The meeting highlighted promising genetic treatments for male fertility issues but noted concerns about certain cancer risks and ICSI safety.

Finasteride reduces sperm count and affects male reproductive function, while Epristeride does not.

Greater intimacy leads to better self-reported health in couples having infertility treatment.

Finasteride causes sperm production decrease in Mesocricetus auratus.

The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.

Finasteride significantly reduced sperm production and caused testicular atrophy in hamsters.

DHT deficiency in rats reduces sperm content and affects testis structure over time.

Long-term finasteride use may affect sperm structure and chromosomes.

High voltage cathode rays damage rat sperm-producing cells.

PDRN, derived from salmon sperm, shows promise in healing wounds, reducing inflammation, and regenerating tissues, but more research is needed to understand its mechanisms and improve its use.

Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.

COVID-19 may harm male fertility by affecting sperm production.

New male contraceptive pills show promise in reducing sperm production with mild side effects.

Men and women in infertile couples feel using donor sperm may cause more stress and marital issues than using donor eggs.

Finasteride changes antioxidant enzyme expression, possibly affecting sperm protection in rats.

Neuronatin is found in various cells of rat tissues and has a unique location in sperm cells.

Gerbils on a fat-deficient diet had altered fatty acid levels, hair loss, reduced sperm, and lower body weight.

Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.

Finasteride, at doses of 5mg or higher, may negatively affect male fertility by reducing the expression of certain genes involved in sperm production.

PDRN is effective and safe for healing wounds and skin issues.