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Vitamin D receptor knockout mice have significant motor impairments but no cognitive deficits.

BMP signaling is crucial for skin and hair growth.

Blocking COX, especially COX-2, in the skin can reduce inflammation and pain and may help prevent skin cancer.

Male hormones, particularly DHT, are linked to male pattern hair loss, and treatments like finasteride can help, but they don't work for postmenopausal women's hair loss, which may have different causes.

Alopecia areata is caused by the immune system attacking hair follicles.

Testosterone therapy in transgender men has both desired effects like increased muscle mass and potential health risks such as higher cardiovascular risk.

Melatonin helps regulate sleep and may aid in treating various health issues.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Zinc is crucial for growth and health in rats.

Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Tributyltin exposure causes sex changes, sterilization, and decline in the snail Ocinebrina aciculata, risking its extinction.

Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Progesterone reduces anxiety without needing progesterone receptors.

Peptide hydrogels heal burn wounds faster and better than standard dressings.

Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Minoxidil boosts hair growth by increasing cell production and survival.

Patients with certain skin symptoms and high ANA titers should be monitored for potential systemic lupus.

Most people with systemic lupus erythematosus have skin problems, and skin symptoms are often the first sign of the disease.

Lupus affects the body and skin, causing joint pain and skin issues that can be treated with steroids and antimalarial drugs.

The understanding of male-pattern baldness remains unclear.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

New 5% minoxidil foam effectively promotes hair growth and is safe for use.

Spironolactone reduced hair thickness and some testosterone levels in women with excessive hair growth.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Using drugs to activate the Wnt/β-catenin pathway has potential for treating diseases but also presents challenges.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.