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Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.

Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.

The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.

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

Telogen effluvium is a hair loss condition with acute cases resolving quickly and chronic cases potentially lasting longer, sometimes requiring treatment.

Chemotherapy can cause permanent, non-reversible hair loss similar to pattern baldness.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Organs like hair follicles can renew themselves in complex ways, adapting to different needs and environments.

Southern Chinese women with female pattern hair loss have less, thinner hair and smaller hair follicles.

Androgens, like DHT, affect hair growth and treatments like finasteride may help.

Chemotherapy patients don't all lose their hair due to factors like hair growth rates, age, genetics, and the type of drugs used.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Japanese women typically start experiencing hair loss after 40, with reduced hair density and thickness being the main factors.

Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.

Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.

The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.

Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.

Different processes create patterns in skin and things like hair and feathers.

Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.

Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.

Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

Alopecia areata is a common autoimmune condition causing varying hair loss, diagnosed by specific patterns of inflammation around hair follicles, with several treatment options available.

Impaired autophagy may cause hair loss by triggering early catagen.

Mesotherapy is more effective than topical spray for female hair loss treatment.

Psoriasis can cause temporary or permanent hair loss.

Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.

Half of people with Alopecia Areata may see hair regrowth within a year without treatment, but recovery is unpredictable.