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The conclusion is that certain physical signs in the body can indicate past acute and chronic stress, which may help in child abuse investigations.

The document concludes that significant investment in agricultural innovation is necessary to achieve global food security and nutrition.

Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.

Hair loss affects attractiveness but can suggest intelligence, and face perception is complex, involving factors like age and smile.

COVID-19 has widely affected health, various industries, and the economy, but also led to more remote work and less pollution.

Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.

THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.

A woman developed white patches on her skin and curly hair after hepatitis C treatment, likely due to the medication interferon alpha.

A 16-year-old boy had a rare case of Becker's nevus on his face and mouth.

White hair follicles in vitiligo have fewer and less functional melanocytes.

Segmental Vitiligo is a stable, early-onset form of vitiligo that responds well to early treatment and is ideal for repigmentation studies.

Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.

The study suggests a link between varicella-zoster virus and segmental vitiligo, with evidence of the virus disrupting skin pigment cells.

Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.

Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.

Two patients had a rare combination of red skin spots and white scaly skin lesions not on the genitals.

Drugs localize differently in hair strands based on their properties.

Researchers improved a method to more accurately estimate when and how long a drug was taken using hair analysis.

Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

The combination treatment showed some improvement but wasn't significantly better than using betamethasone valerate alone.

Upadacitinib and narrowband UVB effectively treated a child's vitiligo and alopecia areata.

Fibrodysplasia ossificans progressiva is a rare genetic disorder that causes extra bone growth and symptoms of premature aging.

Early recognition and aggressive treatment can significantly improve rare ANA-negative lupus with heart and skin issues.

Tretinoin gel is safe for sun exposure, but tacalcitol doesn't significantly improve non-segmental vitiligo.

Transplantation is effective for stable leucoderma but not for progressive, widespread vitiligo vulgaris.

Skin grafting can help repigment vitiligo, but it's less effective for widespread cases due to the Koebner phenomenon.

Single hair grafting is effective for treating small, localized patches of vitiligo.

High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.

The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.

The meeting concluded with optimism about increasing research and better management of vitiligo.