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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.

Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.

Inhibiting TYK2 can restore hair growth in alopecia areata.

Blocking IL-12 can help treat alopecia areata by preventing hair follicle immune issues.

Innate lymphoid cells type 1 may contribute to alopecia areata by damaging hair follicles.

Alopecia areata incognita causes widespread hair loss without patches and needs a scalp biopsy for diagnosis.

The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.

Diagnosing hair loss disorders needs clinical, dermoscopic, and histological differences, and checking menstrual cycle, weight changes, drug therapy, and nail changes.

Depigmented hair regrowth after alopecia areata can be permanent.

The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.

Hair from balding and non-balding areas regrows similarly on mice.

New treatments for hair loss are showing promise due to better understanding of genetics and the immune system.

New targeted therapies for hair loss from alopecia areata show promise, with personalized treatment expected in the future.

Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.

The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.

Dermoscopy is useful for tracking alopecia areata treatment, with yellow dots and new vellus hairs being good indicators of hair regrowth.

Minoxidil and finasteride are effective for male hair loss, minoxidil for female hair loss, and various treatments like corticosteroids work for alopecia areata; treatment should be tailored to the individual.

New treatments for severe hair loss often fail, but some patients see hair regrowth with specific therapies, and treatment should be tailored to the individual's situation.

Androgens can cause hair growth in some areas but hair loss on the scalp.

Chemotherapy may cause recurring hair loss due to an autoimmune response.

A dog with complete hair loss regrew most hair after treatment, with no relapse after stopping treatment.

Some treatments for autoimmune hair loss work, but JAK inhibitors like tofacitinib are promising for regrowth.

PRP may help hair growth in alopecia areata without major side effects, but more research is needed.

Prolactin may affect hair growth differently based on gender and scalp area.

The hepatitis B vaccine did not cause hair loss in the tested mice.

Certain cells outside the hair follicle's bulge area can quickly regenerate damaged hair follicles, potentially helping to reduce hair loss from cancer treatments.

The multi-injection plate is a less painful and more efficient method for treating patchy hair loss.

DKK-1 gene linked to hair loss in AGA and AA patients; more research needed for potential therapy.

Dermoscopy helps diagnose and manage alopecia areata by showing specific hair changes.

Androgens can cause hair growth in some areas and hair loss on the scalp.