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Elephant tusks and hair reveal seasonal diet and climate changes.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Hair graying may be caused by stem cell depletion from stress or melanocyte damage.

Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.

Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.

Wool follicles are complex, involving interactions between different cell types and structures.

More research is needed to find the best long-term treatments for Alopecia Areata.

Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.

Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.

Elephant tail-hair can show past stress levels, matching times when stressful events happened.

The growth of the Chamaecyparis obtusa trees in Gyeongnam Province, South Korea, was evaluated.

Hair analysis can help diagnose adrenal disorders non-invasively.

Hair proteins in preschool children and their mothers could indicate developmental changes and health status.

The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.

Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.

JAK inhibitors, like baricitinib, are effective and safe for treating alopecia areata.

Asiasari radix extract may be a potential treatment for melanoma because it selectively triggers cell death in melanoma cells by affecting p53 regulation.

Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.

The document concludes that it's important to recognize and treat hair loss in women of color, considering their unique hair characteristics and psychological impact.

The medicine baricitinib was found to notably improve hair regrowth in alopecia areata, but more research is needed on its side effects and other treatments.

Women's acne improvement with antibiotics is not linked to signs of high male hormones.

Autism's genetics are linked with early age of puberty and less hair loss, but not with hormone levels or polycystic ovary syndrome.

Platelet-derived products help regenerate tissue and are used in various skin and hair treatments.

Hair loss, known as Androgenetic Alopecia, is often caused by hormones and can be diagnosed using noninvasive techniques. Treatments include topical minoxidil and oral finasteride, with new treatments being explored. There may also be a link between this type of hair loss and heart disease risk.

Docetaxel often causes hair loss, with limited effective treatments and no cure for permanent hair loss.

The KRT84 gene is linked to better wool quality in Gansu Alpine Fine-wool sheep.

Chimp Haven uses a special system to check and improve the well-being of their chimpanzees, which could help other animal sanctuaries too.

Breast cancer treatments work better with AR activation, improving results and reducing side effects.

CD4+ skin cells may be precursors to basal cell carcinoma.

Short telomeres contribute to aging and cancer, and while telomerase can delay aging, it may also promote cancer.