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Different human traits like skin color and hair type vary between populations due to genetic adaptations to the environment.

Furless male rabbits grew slightly faster and heavier than furred ones, but testosterone levels were not the cause.

Haloperidol effectively treated hemiballismus, but spontaneous improvement wasn't ruled out; rapid weight loss can cause hair loss with good regrowth chances.

Xiangdong black goats have moderate genetic diversity, minimal inbreeding, and important genes for reproduction, immunity, and other traits.

Vimentin and transthyretin proteins are linked to black coat color in sheep.

Cows that shed more hair in winter have better reproductive success and their calves weigh more at weaning.

Women with scarring alopecia are less likely to have used hormone replacement therapy or oral contraceptives compared to those with female pattern hair loss.

Calcium signals and SHH guide the direction of feather growth in chicken skin.

Eating grape powder may reduce the severity of skin allergy symptoms.

ATP-dependent chromatin remodeling is crucial for skin development and stem cell function.

Early exposure to germs may protect against autoimmune diseases, lack of sex increases alcohol preference in fruit flies, a potential baldness treatment could involve blocking a specific receptor, skin memory cells help prevent re-infection, high-fat diets can affect brain cells related to weight, and the link between social status, stress, and heart disease in primates is unclear.

Hairless protein is key for hair growth, cell differences cause gene expression variation, and the N-end rule pathway senses nitric oxide for protein breakdown.

Antiandrogen therapy may help treat hidradenitis suppurativa.

Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.

Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

Removing part of the vitamin D receptor stops vitamin D from working properly.

Mutations in the SRD5A3 gene cause a new type of glycosylation disorder by blocking the production of a molecule necessary for protein glycosylation.

Wnt1/βcatenin signaling is crucial for heart repair after injury.

Diet changes can protect against harmful environmental effects on fetal development.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Myrtle has various health benefits and potential for medicine development.

CDP is crucial for lung and hair follicle cell development.

Humans lost body hair relatively recently in evolution.

Androgens, like testosterone, are crucial for early testicular descent in rats.