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A specific signal from hair cells controls the tightening of the surrounding muscle, which is necessary for hair shedding.

The research found how GPCR Class A Rhodopsin receptors are related and suggested possible substances they interact with.

Using existing drugs for new purposes could be a cost-effective way to treat chest pain and non-clogged heart arteries, with some drugs for lung blood pressure showing promise but needing more testing.

Hair color is determined by melanin produced and transferred in hair follicles.

Hair color is influenced by genetics and can indicate certain health conditions.

Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.

Sensitive skin is often caused by nerve fibers and environmental factors, and can be managed with mild skincare and professional advice.

There are still challenges in diagnosing and treating chronic skin diseases, but there is hope for future improvements.

Activating Notch in adult skin causes T cells and neural crest cells to gather, leading to skin issues.

An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.

Researchers found that most genes affecting drug responses are not fully covered by commercial SNP chips, suggesting the need for more comprehensive tools to optimize drug selection based on genetics.

Melanocytes are diverse cells important for pigmentation and skin health, influenced by genetics and environment.

Spin traps like PBN could protect skin from pollution and sunlight in cosmetics but need more research for safe use.

Lamivudine might reverse hair graying and needs more research for potential treatments.

Different connective tissue disorders have unique symptoms and treatments, with varying outcomes and often require ongoing care from a specialist.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

Stem cells can help other stem cells by producing supportive factors.

Topical vitamin D is effective in treating vitiligo with few side effects.

SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.

The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

Hormones significantly affect hair and oil gland function in the skin, and more research is needed on skin-related hormone disorders.

Human hair follicles produce and respond to erythropoietin, helping protect against stress.

EdnrB signaling helps melanocyte stem cells regenerate and could be targeted to treat pigmentation issues.

Women generally handle heart enlargement better than men, but it's riskier for them if it occurs; hormones like estrogen offer some protection.

Minoxidil, a common hair loss treatment, might work by counteracting a hormone that reduces hair growth and promotes hair loss.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.

Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.