December 2025 in “Frontiers in Nutrition” Collagen supplements may improve skin, joints, and recovery, especially with added nutrients.
January 2023 in “Pediatric Endocrinology Diabetes and Metabolism” Isolated pubic hair in infants is usually harmless and resolves on its own.
October 2017 in “Springer eBooks” A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
October 2004 in “Radiotherapy and oncology” Active vitamin D3 might protect hair follicles from radiation damage.
4 citations
,
October 2023 in “Fertility and Sterility” Some medications and supplements can affect male fertility, with some improving and others harming sperm quality.
19 citations
,
November 2021 in “Reviews in endocrine and metabolic disorders” Sex hormones like estrogen and testosterone may affect COVID-19 severity differently in men and women, potentially influencing prevention and treatment strategies.
October 2025 in “Molecular Genetics and Genomics”
February 2023 in “IntechOpen eBooks” Testosterone replacement therapy helps manage deficiency and has various methods, but requires careful monitoring to avoid side effects.
1 citations
,
January 2024 in “Animal Research and One Health” Mouse models are essential for studying and improving genetic traits in agriculture.
50 citations
,
March 2018 in “BMC Genomics” Non-coding RNAs help control hair growth cycles in cashmere goats, suggesting ways to improve cashmere production.
7 citations
,
May 2023 in “Nanomaterials” Titanium dioxide nanoparticles may harm the male reproductive system.
6 citations
,
January 2024 in “Cancers” Antiandrogens don't help with COVID-19 and aren't recommended.
2 citations
,
November 2022 in “Zaporozhye Medical Journal” COVID-19 affects many body systems, causing a wide range of symptoms and complications.
1 citations
,
July 2025 in “Frontiers in Pharmacology” FMH foods may help manage post-acute COVID-19 symptoms safely and easily.
May 2025 in “Veterinary Medicine and Science” Melatonin improved reproductive function in male Pomeranian dogs with Alopecia X, but more research is needed.
January 2026 in “International Journal of Molecular Sciences” Lifestyle changes and environmental strategies can help address declining testosterone levels.
19 citations
,
December 2021 in “Endocrine Reviews” There are various effective hormone treatments for puberty induction in boys and girls with hypogonadism, and starting treatment early is important.
September 2024 in “Reproduction and Fertility” New methods may speed up drug development for male subfertility.
132 citations
,
September 2021 in “Frontiers in Public Health” COVID-19 affects multiple body systems, not just the lungs.
43 citations
,
July 2003 in “Andrology” Hormonal male contraception is effective and could be market-ready, but more research is needed to ensure safety for all ethnic groups.
29 citations
,
March 2021 in “Frontiers in Endocrinology” Testosterone may influence COVID-19 severity and outcomes.
1 citations
,
October 2025 in “BMC Genomics” Goat genes show adaptation to environments and traits like body development, with differences among cashmere, feral, and milk-producing goats.
1 citations
,
May 2021 in “International Journal Of Medical Science And Clinical Invention” Women with PCOS may have a higher risk of severe COVID-19 due to hormonal imbalances and vitamin D deficiency.
November 2023 in “Brain Sciences” Some medications might contribute to male infertility, with finasteride showing a high number of reports.
51 citations
,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
40 citations
,
January 1973 in “Journal of Dairy Science” Zinc deficiency in male goats leads to poor hair growth, smaller testicles, reduced libido, and is hard to reverse.
2 citations
,
January 2014 in “Elsevier eBooks” The document explains how sperm cells are produced, the role of testosterone in this process, and how toxins can reduce sperm count and fertility.
June 2011 in “Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)” Estrogens and androgens are crucial for male fertility.
8 citations
,
October 2024 in “Frontiers in Cell and Developmental Biology” Telocytes help organize male reproductive tissues and their changes can lead to diseases.