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The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.

Androgens slow hair growth by altering Wnt signaling in balding cells.

Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.

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

Trichoscopy is a quick, cost-effective tool for diagnosing different hair loss conditions.

PCOS affects women's health by increasing the risk of diabetes, heart disease, and reproductive issues.

Women with PCOS have fewer activated T cells in their ovarian follicles, which might affect fertility.

Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.

Air pollution (PM10) increases skin inflammation and aging by reducing collagen and may trigger a repair response in skin cells.

Traditional Chinese medicines with heavy metals can cause severe poisoning.

Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.

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

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

Cancer can hijack the body's cell repair system to promote tumor growth, and targeting this process may improve cancer treatments.

Tiny needles with valproic acid can effectively regrow hair.

Dermal papilla cells help wounds heal better and can potentially grow new hair.

Shrinking skin cancer increases the chance of cancer in nearby lymph nodes.

Beta-caryophyllene helps improve wound healing in mice, especially in females.

Hirsutism is excessive hair growth in women often caused by polycystic ovarian syndrome, and identifying the cause is important for managing associated health risks.

The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.

Overexpressing the mineralocorticoid receptor in mouse skin causes skin thinning, early skin barrier development, eye issues, and hair loss.

Different scaffold patterns improve wound healing and immune response in mouse skin, with aligned patterns being particularly effective.

European guidelines recommend regular eye and ear exams, skin care, vitamin D supplements, and cautious use of medications for managing congenital ichthyoses.

An imbalance between certain immune cells is linked to a chronic skin condition and may be influenced by obesity, smoking, and autoimmune issues.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

The document concludes that there are no effective clinical treatments for hearing loss due to hair cell damage, but research is ongoing.

A handheld dermatoscope helps diagnose different types of hair loss effectively.

Hidradenitis suppurativa treatment should be tailored to the individual, with quitting smoking being important.

Inactive hair follicle stem cells help prevent skin cancer.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.