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

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

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Oxidative stress contributes to hair graying and loss as we age.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

The paper concludes that the 1982 criteria for diagnosing systemic lupus erythematosus need updating to improve accuracy and involve dermatologists in the process.

Correct skin biopsy techniques are crucial to avoid misdiagnosis of skin diseases.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.

One minoxidil-sensitive potassium channel exists in human hair follicles.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.

The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Mice studies show that Protein Phosphatase 2A is crucial for cell growth, development, and disease prevention.

Exosomes from dermal papilla cells can help grow hair and might treat hair loss.

Older adults have a high rate of skin cancers like basal cell carcinoma and melanoma, mainly due to UV exposure and age.

Mutant mice help researchers understand hair growth and related genetic factors.

Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.

A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.