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In Japan, sex reassignment surgery for gender identity disorder faces challenges and needs better medical support and education.

Liquid nitrogen spray caused a temporary, harmless swelling under the skin in an elderly woman.

Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.

The transtemporal midface lift improves the lower eyelid and cheek area with high patient satisfaction and low complication rates.

The document concludes that the endoscopic brow lift is a less invasive cosmetic surgery that requires careful technique and patient selection to achieve lasting, aesthetically pleasing results.

Direct excision techniques can rejuvenate the neck but may not enhance the jawline and could cause neck-face disharmony if done incorrectly.

The document concludes that careful planning and consideration of male brow anatomy are essential for successful facial rejuvenation with cosmetic surgery.

The procedure safely and effectively lifted the lateral brow, improving appearance with minimal complications.

Endoscopic-assisted facelifting is safe and effective with minimal complications and excellent long-term results.

Human skin can be reconnected to nerves using stem cells, which may help with skin health and healing.

Repeated use of platelet-rich plasma in rats caused increased pain sensitivity.

The lateral brow lift technique is safe, effective, and provides long-lasting results.

The mini-lift is a less invasive face-lift for younger patients that is quicker, cheaper, and has a fast recovery, but is less effective for the midface and excessive neck skin.

The article concludes that using the single-scar technique for hair transplants can result in a more attractive scar and that concerns about the technique can be managed with proper methods.

The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.

Epidermal stem cells show promise for treating orthopedic injuries and diseases.

Stress can cause hair to turn gray by depleting pigment-producing cells through the release of a stress hormone.

Deoxycholic acid is FDA-approved for reducing submental fat, but its mechanisms are not fully understood.

Hair loss in men (androgenetic alopecia) is significantly linked to decreased scalp sensitivity, but not temperature sensitivity. More research is needed to confirm this. Comparing this hair loss to leprosy is unsupported and stigmatizing.

The skin's dermal layer contains true stem cells with diverse functions and interactions that need more research to fully understand.

The document concludes that local flaps are effective for reconstructive surgery in the head and neck, offering good skin match and function.

Stress worsens hair loss in androgenetic alopecia.

Ring block anesthesia is the best method for PRP scalp injections due to low pain and high patient acceptance.

The skin is vital for protection, temperature control, fluid balance, immunity, and sensing, with damage affecting daily life and mental health.

Local anesthesia, often with sedation, effectively reduces pain in hair transplant harvesting.

Local anesthesia with a "ring block" is preferred for pain control during FUE hair transplant procedures.

Peptide hydrogels show promise for healing skin, bone, and nerves but need improvement in stability and compatibility.

Sensory neuron and Merkel cell changes in the skin happen independently during normal skin maintenance.

Neuropathic pruritus is a commonly overlooked and wrongly diagnosed type of chronic itching that is hard to treat.

4-aminopyridine, a FDA-approved drug, speeds up skin wound healing and tissue regeneration.