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The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Laser treatment can stimulate hair growth for male pattern hair loss.

Phosphatidic acid may help hair grow by affecting cell growth pathways.

A systematic approach is crucial for managing hair loss in women.

Hair and nail changes can indicate health issues, including cancer and side effects from cancer treatments.

Ginsenoside F2 from ginseng may increase hair growth better than standard treatments by affecting cell growth signals.

The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.

Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

Isotretinoin effectively reduces acne but causes dry skin, higher skin pH, more redness, and hair loss.

Thicker hair is stronger, regardless of age, gender, or other factors.

Human hair follicle stem cells show signs of low oxygen levels, which may be important for hair growth and preventing baldness.

The document explains how to identify different hair problems using a microscope.

A long-acting Vitamin C derivative helps hair grow by stimulating cells and increasing growth factors.

Colchicine causes rapid hair loss by damaging hair follicles.

Using a special stem cell formula on the scalp once a month for six months helped people with hair loss grow more hair.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.

Different hair growth problems are caused by genetic issues or changes in hair growth cycles, and new treatments are being developed.

Cooling hair micrografts during transplantation does not improve their survival or growth.

Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.

Most hair loss in children is caused by a few common conditions, and it's important to diagnose these properly and support the child's mental health.

Survivin protein is crucial for hair growth and preventing cell death in hair follicles.

Most hair loss can be diagnosed with patient history and physical exam, and a few common types make up most cases.

The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.

Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.

Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.

Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.

The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.

Chemotherapy causes hair loss starting soon after treatment begins and recovers about 3 months after ending, while tamoxifen does not significantly affect hair growth.