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Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

PrEP for HIV is less effective in transgender women mainly due to low adherence to the treatment.

Stem cell niches are crucial for regulating stem cell renewal and differentiation, and understanding them can help in developing regenerative therapies.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

The virus was not found in the semen and urine of a man who tested positive for COVID-19.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.

Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.

Menopause can lead to skin and hair problems due to hormonal changes, but hormone replacement therapy might help slow these effects.

Hair loss affects self-esteem and quality of life; treatments can help.

Trichoscopy is a useful tool for diagnosing different hair and scalp diseases by their unique visual features.

Jumonji genes are important for development and their mutations can cause abnormalities, especially in the heart and brain.

Experts recommend thorough medical, sexual, and psychosocial assessments for women's sexual dysfunctions, and suggest individualized treatment plans with regular check-ups. They also mention potential use of estrogen and androgen therapy, but with caution due to safety concerns.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.

Hair loss needs more research for better treatments.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Scientists made working salivary glands in mice using bioengineered cells, which could help treat dry mouth.

People who are more materialistic often expect life changes from buying things, leading to more debt and credit misuse.

Women with PCOS face higher risks of diabetes and heart disease, and these risks increase with obesity.

Blood vessels and specific genes help turn cartilage into bone when bones heal.

Telocytes might help with skin repair and regeneration.