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A woman with hair loss had a benign sweat duct tumor found during a scalp biopsy.

The conclusion is that closing scalp wounds is possible, but restoring hair without donor material is still a major challenge.

Removing a testicular tumor in a dog reduced its aggressive behavior and skin problems.

Sex hormones affect reproduction, sexual development, and oral health, and it's important for dental practitioners to understand their effects and interactions.

The document concludes that understanding hair biology is key to treating hair disorders, with gene therapy showing potential as a future treatment.

Hair and nails are skin parts that develop early and serve protective and functional roles.

People with alopecia have a higher risk of thyroid cancer.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

Trichotillomania is a disorder where people compulsively pull out their hair, treated with drugs and behavior therapy.

Hair transplantation is a treatment for hair loss mainly caused by genetics, with various techniques and potential complications, and results visible after 8-12 months.

Understanding the scalp's five-layer structure is crucial for better surgical outcomes and fewer complications.

The document concludes that better targeted treatments are needed for wound healing, and single-cell technologies may improve cell-based therapies.

Rosacea is a skin condition with unclear causes, classified into four subtypes.

The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

Wnt1/βcatenin signaling is crucial for heart repair after injury.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

PGD2 stops hair growth and is higher in bald men with AGA.

Opioid painkillers can cause many side effects, including breathing problems and addiction, but are generally considered safe when used properly.

Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.

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

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

The Wnt/β-catenin pathway helps tissue regeneration but can also cause fibrosis, and drugs that inhibit this pathway may aid in healing skin and heart tissues.

5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.

The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.