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Estrogen-progestin contraception lowers ovarian, endometrial, and colon cancer risk but may raise breast and cervical cancer risk, helps with menstrual and acne issues, and new methods are as effective as pills. Metformin helps overweight women with PCOS and insulin resistance, and dopamine agonists treat prolactinomas.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.

The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.

Merino wool fibers change shape with moisture, while human hair shape stays the same.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.

Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.

The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.

Scientists have developed a method to keep chicken feather follicles alive and structurally intact in a lab for up to a week.

Scientists successfully purified a protein called Wnt3a, which is involved in processes like hair growth, but the overall yield was low, suggesting more work is needed to improve this.

We don't fully understand how sunlight damages different types of hair.

Changes in keratin make hair follicles stiffer.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

Nanoemulsions improve stability and delivery of active ingredients in cosmetics for skin and hair care.

Understanding hair surface properties is key for effective hair care products.

The hairpiece matted due to weathered hair after shampooing.

The mutated hairless gene causes hair loss by acting as a new type of corepressor affecting thyroid hormone receptors.

Treatments for melanin disorders exist, but more effective options needed.

Minoxidil boosts hair growth by activating PGHS-1.

Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.

The gene KAP22-1 affects wool yield and fiber shape in sheep.

The TCL1 transgenic mouse model is useful for understanding human B-cell leukemia and testing new treatments.

Steroid sulfatase is important for activating hormones that affect memory, brain function, and certain diseases, and could be a target for treating hormone-related disorders.

Methionine is essential for hair maintenance in C57BL/6 mice.

Stopping S100A3 activity slows down hair growth in mice.

Some alternative treatments for hair loss might work, but more research is needed.

Some natural extracts and one hair tonic can promote hair growth in mice.

ATE is linked to FAA, and treatment depends on cause; minoxidil helps, finasteride may worsen.

Higher protein diets with DL-methionine improve mink hair growth and fur quality.