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An individual's morning or evening preference can predict changes in their body clock gene expression.

Silencing certain circadian clock genes increases skin pigmentation.

Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.

Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.

Light and temperature affect the daily skin function rhythms in hairless rats, with temperature influencing water loss but not skin hydration.

Natural skincare products may help reduce sun damage and support the skin's daily cycle.

Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.

Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.

The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.

Taking high doses of fluconazole for a long time can cause reversible hair loss.

Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.

The circadian clock in skin cells controls their growth and rest cycles.

The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Melatonin may benefit skin health and could be a promising treatment in dermatology.

Different types of stem cells and their environments are key to skin repair and maintenance.

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 for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.

People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.

Melatonin protects skin against UV damage by regulating various cellular processes.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Blue light can help treat skin conditions like eczema and acne without major side effects.

Intense exercise at night can delay the body's internal clock gene expression by 2 to 4 hours.

Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.

Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.

A gene called BMAL1 plays a role in controlling hair growth.