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Older adults often have skin problems due to aging, and treating these conditions requires attention to both physical and mental health.

Scalp reduction surgery is safe and effective for certain patients with hair loss, leading to dense hair coverage and high satisfaction.

Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

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.

Humans lost body hair relatively recently in evolution.

Tofacitinib may help treat severe hair loss, but more research is needed.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.

LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.

Wound healing insights can improve regenerative medicine.

The LRRK2-G2019S mutation in Parkinson's disease has a lifetime penetrance of 25-35%, and finasteride may help reduce symptoms in adult male Tourette syndrome patients.

Finasteride reduces Tourette syndrome symptoms, but results may be limited due to potential biases.

The new biomaterial inspired by ancient Chinese medicine effectively promotes hair growth and heals wounds in burned skin.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

RADA16 is a promising material for tissue repair and regenerative medicine but needs improvement in strength and cost.

Finasteride may help reduce symptoms in male Tourette syndrome patients.

The 3D electrospun fibrous sponge is promising for tissue repair and healing diabetic wounds.

ALA-PDT is effective and safe for chronic X-ray dermatitis, providing complete or partial remission.

Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.

The document describes a woman with familial Parkinson's disease due to a genetic mutation, showing severe symptoms and poor response to treatment, and suggests finasteride may help reduce symptoms in Tourette syndrome.

Minoxidil helps stabilize hair loss, increase density, and reduce shedding after hair transplant surgery.

3D-printed mesoporous scaffolds show promise for personalized drug delivery with controlled release.

Eyelashes protect the eyes, but more research is needed to understand how.

Hyaluronic acid-based HA2 hydrogel helps heal skin wounds better with less scarring.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

Stress can worsen skin conditions and affect mental health, so doctors should include stress management in skin treatment.

The review highlights the need for more research on transgender dermatology, the role of dermatologists in gender affirmation, and the effects of hormone therapy on skin and hair.

Researchers identified specific genes that are important for mouse skin cell development and healing.