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Whale genes show changes that help them live in water, like less hair and better flippers.

The spiny mouse can regenerate its skin without scarring, which could help us learn how to heal human skin better.

Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Human skin can make serotonin and melatonin, which help protect and maintain it.

Cells from balding scalps have more androgen receptors than cells from non-balding scalps.

Androgens can both increase and decrease hair growth in different parts of the body.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

Latanoprost can make eyelashes longer, thicker, and darker.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Humans lost body hair relatively recently in evolution.

Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

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.

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

5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

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.

Hair mineral analysis might help diagnose diseases early, but standard methods are needed.

The document concludes that rapid identification, isolation, and strict infection control are crucial to manage SARS outbreaks.

Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Mushrooms have beneficial properties for skin and hair care products and have great potential for future cosmetic use.

Prolactin affects when mice shed and grow hair.