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Humans lost body hair relatively recently in evolution.

Hair loss can significantly affect a person's self-esteem and body image, especially in young people, those who value their looks highly, and women.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Different PIN proteins affect plant root hair growth by changing how auxin is transported.

Cancer therapy can cause various skin problems, including hair loss, skin darkening, painful hand-foot syndrome, and severe skin damage.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

Using platelet-rich plasma with microneedling works better for acne scars than microneedling with water.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.

The yeast Pityrosporum ovale can cause skin allergies and infections, and antifungal treatments like ketoconazole are effective against it.

Targeted cancer therapies often cause skin reactions, so dermatologists must manage these effects.

Older adults have a high rate of skin cancers like basal cell carcinoma and melanoma, mainly due to UV exposure and age.

Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.

The document concludes that cosmetic surgery is still mainly a practice for women and the gender gap in this field is expected to continue.

Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.

Hair loss in androgenetic alopecia is caused by genetic factors and androgen excess, and can be treated with combined therapies.

The dermal regeneration template is effective in skin regeneration, reducing scarring, and has potential for future improvements.

Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.

Hair grays due to oxidative stress and fewer functioning melanocytes.

Trichoscopy is a quick, noninvasive method to diagnose hair and scalp disorders, often reducing the need for biopsies.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

We don't fully understand how sunlight damages different types of hair.

Bimatoprost can cause excessive eyelash growth.

Pregnancy often causes skin changes like darkening, stretch marks, and hair growth, which may improve after childbirth.

Lymphocytes, especially CD8+ T cells, play a key role in causing alopecia areata, and targeting them may lead to new treatments.

Dermatologists play a key role in treating skin symptoms of PCOS like dark patches, excess hair, acne, and hair loss.