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The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

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

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

People with alopecia areata often have other health issues like skin diseases, metabolic syndrome, stomach infections, lupus, anemia, thyroid problems, mental health issues, vitamin D deficiency, and hearing and eye problems.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

Blue light promotes hair growth by interacting with specific receptors in hair follicles.

LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.

Nanotechnology in dermatology shows promise for better drug delivery and treatment effectiveness but requires more safety research.

Mutations in the LSS gene cause a rare type of hereditary hair loss.

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.

Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Cysteine helps maintain keratin production in skin cells even when iron is low.

pH, calcium, and reactive oxygen species regulate plant cell growth, with key roles for NADPH oxidases and plasma membrane H+-ATPases.

Valproic acid increases hair count in men with hair loss.

Nanomaterials in biomedicine can improve treatments but may have risks like toxicity, needing more safety research.

Male faces age with more wrinkles and hair loss, influenced by both body changes and environmental factors.

Infertile men are more likely to produce sperm with abnormal chromosome numbers, which can affect pregnancy success and embryo health.

Women with polycystic ovarian syndrome are more likely to have cervical insufficiency, especially South Asian and Black women.

Platelet-rich plasma is beneficial in various plastic surgery applications, but more research is needed to standardize its use.

miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.

Finasteride significantly reduced tics and obsessive-compulsive symptoms in patients with Tourette syndrome.

Some brain cancer cells avoid immune system detection, and certain treatments could target this to slow their growth; also, certain fat cell precursors help regenerate hair and skin after injury.

Tamoxifen caused hair loss in a 52-year-old woman.

Adding stem cells to fat grafts for facial rejuvenation might improve outcomes, but more research is needed to confirm safety and effectiveness.

Testosterone therapy can modestly improve sexual function in menopausal women but should be used cautiously and is not recommended for routine measurement in sexual dysfunction or hirsutism.

Cold caps and certain drugs may help prevent or reduce hair loss from chemotherapy, but more research is needed.

Nanotechnology is improving drug delivery and targeting, with promising applications in cancer treatment, gene therapy, and cosmetics, but challenges remain in ensuring precise delivery and safety.

Longer GGN repeats in the androgen receptor gene are linked to polycystic ovary syndrome.

Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.