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Germany recognizes skin cancer from UV exposure as an occupational disease, emphasizing prevention and care for affected workers.

Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.

Caffeine improves hair growth, thickness, and reduces shedding.

Nonsteroid treatments for alopecia areata show promise but need more high-quality research.

Minoxidil reacts to nitrosation 7 times more than phenol, mainly due to its -NH₂ groups, leading to the creation of N-nitrosominoxidil.

The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

Breast cancer may be detectable through changes in scalp hair lipids.

The study found that polymorphous light eruption varies among patients and can be distinguished from benign summer light eruption by the time it takes for symptoms to appear after sun exposure.

Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.

The most different genetic segment between Africans and East Asians is the EDA2R/AR region, with two main types influenced by population changes and natural selection, and linked to baldness.

Vitexin Compound 1 may help reduce skin aging caused by UVA light.

Some alternative therapies for vitiligo show promise but need more research.

The authors suggest that scalp hair might protect against COVID-19 and call for more research on scalp health and the virus.

Common cosmetic dermatology techniques improve skin damaged by the sun and aging.

The investigation found no work-related causes for employee hair loss at Equifax Payment Services, and the environment was not hazardous.

Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.

Human fetal placental stromal cell injections speed up healing and improve skin and hair recovery after radiation damage.

Tempeh oil rich in linoleic acid may protect against skin aging caused by UV light.

Skin aging reflects overall body aging and can indicate internal health conditions.

The document concludes that protecting skin from the sun, avoiding smoking, and using treatments like Minoxidil and Finasteride can help manage skin and hair aging.

16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.

Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

Human skin responds to light with protective mechanisms, but more research is needed to understand these processes and their implications for health and therapy.

Taking vitamin C and vitamin E twice a day can help prevent sunburn and DNA damage from UVB exposure.

Skin health and repair depend on the signals between skin stem cells and their surrounding cells.

The document reviews key historical figures and discoveries in dermatology.

Dermatologists give better information on pathology forms, hypersensitivity vasculitis is a common skin issue, misdiagnoses can occur, and various skin conditions are linked to loss of elastin or genetic factors.

Some aggressive scalp cancers are hard to treat and can be deadly, even when removed with specialized surgery.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.