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Disabling the FGF5 gene in sheep leads to longer wool.

Goat hair growth and follicle activity change with the seasons and differ between males and females.

The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.

The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.

New military hair rules for women promote inclusivity and prevent hair damage.

Trichoscopy is a quick, non-invasive way to measure hair density and thickness, helping diagnose hair loss.

Rosehip extract improves hair treatment and waving efficiency with cysteine but not with thioglycolate.

Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.

The document concludes that careful history and physical exams are crucial for accurately diagnosing polycystic ovary syndrome and distinguishing it from other similar conditions.

The conclusion is that a safe donor area for hair transplants varies and should be chosen based on individual factors like race, future hair loss, family history, and specific thinning patterns.

Hair follicles help substances penetrate the skin faster and more effectively.

Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.

The document's conclusion cannot be provided because the content is not accessible or understandable.

Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.

Ganoderma lucidum extract promotes hair growth in bald rats, with higher doses producing better results, similar to the effects of Minoxidil 2%.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Telogen Effluvium is a common, usually reversible hair loss condition, often improved by removing the trigger and possibly treated with various products, though their effectiveness is uncertain.

Squarticles effectively deliver hair growth drugs to follicles and dermal papilla cells.

The research identified genes that explain why some sheep have curly wool and others have straight wool.

The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.

Dr. Umar successfully used softer hair from the nape and around the ear for natural-looking hairlines in 128 patients, with some concerns about hair loss over time.

Human hair is unique and important for understanding human evolution and identity.

Hair analysis can help identify specific minerals and amino acids linked to various diseases.

Thicker hair grows faster; hair loss patients have slower growth.

Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.

Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.

Tumescent fluid increases scalp hair angles, which may improve hair transplant results and reduce surgeon fatigue.

The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.

Trichoscopy is useful for quickly diagnosing different types of hair loss without needing biopsies.

The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.