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The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.

Advancements in male reproductive medicine are ongoing, but more research and improved treatments are needed in several areas.

The document concludes that finasteride can reduce nandrolone detection in doping tests, suggesting frequent testing and setting metabolite level thresholds for detection.

Certain drugs can worsen hair loss in people prone to androgenetic alopecia.

Regenerative pharmacology, which combines drugs with regenerative medicine, shows promise for repairing damaged body parts and needs more interdisciplinary research.

The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.

Certain cells in the adult mouse ear come from cranial neural crest cells, but muscle and hair cells do not.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

Skin symptoms without a medical cause often reflect psychological stress and are influenced by culture, requiring a team approach for treatment.

Bead-jet printing of stem cells improves muscle and hair regeneration.

Iron deficiency might contribute to hair loss in women.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Eating fewer calories improves the ability of stem cells to repair and renew the body in various tissues.

Different medications can cause serious side effects in some people.

Anabolic steroids boost muscle growth, SARMs increase muscle mass and bone density without side effects, and myostatin inhibitors block a protein that stops muscle growth, but each has potential risks.

Collagen is crucial for health and treating certain diseases, and supplements can improve skin, nails, and hair conditions.

Hair follicle stem cells are promising for blood vessel formation and tissue repair.

Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.

The research explains how a human enzyme binds and processes its substrate, which could relate to its role in biological functions and hair loss.

HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.

Female pattern hair loss can be treated with medications, surgery, and cosmetic products, considering its psychological impact.

Platelet preparations generally show positive effects on wound healing and facial rejuvenation, but more thorough research is needed to confirm their effectiveness.

Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.

A gene deletion in mice causes weak protein, immune issues, hair loss, airway problems, and wasting disease.

Activating β-catenin in mammary cells leads to changes that cause early-stage abnormal growths similar to skin structures.

Diet affects baldness; eat balanced, less animal fat, more fruits, vegetables, and cereals.

Androgen receptors in the mouse brain may explain cognitive and mood changes in prostate cancer treatment.

Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.

Special fiber materials boost the healing properties of certain stem cells.

Blood vessels and specific genes help turn cartilage into bone when bones heal.