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Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Hormone imbalances can cause specific skin changes, which may help in early detection of endocrine disorders.

Menopause significantly reduces skin collagen, leading to thinner, less elastic skin, and hormone replacement may help but requires careful consideration.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

Cyproterone acetate is the preferred treatment for women's hyperandrogenism when estrogen/progestogen use is safe.

Low-level laser therapy did not reduce licking or improve lesions in dogs with ALD but did increase hair growth.

New treatments and diagnostic methods for various animal skin conditions showed promising results.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.

Some therapies using stem cells and platelet-rich plasma may help treat osteoarthritis, but more research is needed to ensure they are safe and effective.

Human pluripotent stem cells could be used to make platelets for medical use, but safety, effectiveness, and cost issues need to be resolved.

PRP helps skin heal, possibly through special cells called telocytes.

Rare ULBP3 gene changes may raise the risk of Alopecia areata, a certain FAS gene deletion could cause a dysfunctional protein in an immune disorder, and having one copy of a specific genetic deletion is okay, but two copies cause sickle cell disease.

Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.

Doctors should use a detailed patient history and physical exam to diagnose joint pain, and consult a rheumatologist early for suspected autoimmune diseases.

In 2017, pediatric dermatology advanced with new treatments and insights into various skin conditions in children.

Dermoscopy is useful for diagnosing hair loss patterns in dogs.

Lichen planopilaris and frontal fibrosing alopecia are likely the same disease with different clinical appearances.

PRP may help with hair loss and improve hair quality with few side effects, but more research is needed.

Accurate diagnosis of cicatricial alopecias requires thorough scalp examination and multiple biopsy techniques.

Uncombable hair syndrome causes frizzy hair and can affect the nervous system, eyes, and ears, often co-occurring with other hair, skin, nail, and teeth conditions, and is linked to three specific gene mutations.

Women with Systemic Lupus Erythematosus should have closely monitored pregnancies and avoid certain medications to improve their pregnancy outcomes.

A woman's hair turned white after taking a cancer drug called dasatinib.

Sunlight exposure improved a patient's skin condition, and there may be a link between a certain disease and skin growths; a leukemia treatment caused changes in hair color and growth.

Lysophospholipids like LPA and S1P are important for hair growth, immune responses, and vascular development, and could be targeted for treating diseases.

Hair loss in postmenopausal woman caused by ovarian issue.

A horse in Brazil with skin and gut issues was diagnosed with a severe disease and had to be euthanized.