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The cause of atypical Cushing's syndrome in dogs, possibly linked to sex hormones, is not yet proven.

EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

A 78-year-old farmer with lung disease had skin lesions from a fungal infection that healed completely with medication.

Oral minoxidil effectively treats hair loss, with women needing lower doses (0.25 to 2.5 mg daily) and men needing higher doses (1.25 to 5 mg daily).

Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.

Mouse skin color ranges from pink to black, depending on their hair growth cycle.

Cat color patterns are determined early in development by gene expression and epidermal changes, with the Dickkopf 4 gene playing a crucial role.

Low-dose oral minoxidil effectively treats non-scarring hair loss with some side effects like hypertrichosis and postural hypotension.

Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

Puberty often causes skin issues like acne and excessive sweating, and treatments require patience as results may vary.

Chemotherapy and cytokine therapy can cause various skin reactions, including hair loss and hypersensitivity.

A woman's rare adrenal tumor caused high testosterone and cortisol levels, which normalized after the tumor was removed.

Wnt7a protein is crucial for development and tissue maintenance and plays varying roles in diseases and potential treatments.

Hair color is determined by different melanins and changes with age.

Hormones and genes affect hair growth and male baldness.

Hair aging and loss are caused by genetics, hormones, environment, and grooming, with treatments like minoxidil effective for certain types of hair loss.

Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.

Various treatments, including FDA-approved drugs, natural products, and oral supplements, can help with hair loss, but a patient's medical history and potential allergies should be considered when choosing a treatment.

HGF/SF increases skin melanocytes but doesn't change melanin type or amount.

Rare adrenal cancers that secrete androgens or estrogens have a poor prognosis and are treated primarily with surgery.

Melanoma development can be linked to the breakdown of skin's melanin-producing units.

A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.

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

Coloring white hair before IPL treatment effectively helps remove it.

Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

ERβ has potential in treating prostate cancer and neurodegenerative diseases, but human studies are needed before clinical use.

DNA phenotyping helps predict physical traits from DNA with varying accuracy and requires careful ethical and legal handling.