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Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.

Nanoparticles can improve skin drug delivery but have challenges like toxicity and stability that need more research.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

"Male-pattern" hair loss is common in women, especially after menopause, and doesn't always mean there's a problem with hormone balance.

Obesity worsens PCOS symptoms, and PCOS may lead to more weight gain; managing both requires a holistic approach that includes mental health.

Hibiscus rosa-sinensis leaf extract helps hair grow longer and faster.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

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

Isotretinoin effectively treats severe acne and similar conditions, but has common, mostly reversible side effects, requiring careful patient monitoring.

Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

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

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.

Adult female acne treatment should be personalized, considering individual preferences and pregnancy, using various topical and oral medications while managing side effects and resistance.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.

Children, especially teenagers, can get severe SARS-CoV infection with symptoms similar to adults, but they typically recover well with supportive care.

Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

South Asian women with PCOS are more likely to have metabolic issues and central obesity, and simple measures like waist size and blood pressure can help identify these risks early.

Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.

Hair loss linked to higher heart disease risk in both men and women.

New treatments targeting specific genes show promise for treating keratin disorders.