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New genetic insights have improved understanding of hair loss, leading to a new test and treatments, but more research is needed on the test and laser comb effectiveness.

Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.

Intralesional triamcinolone is more effective than topical betamethasone for treating localized alopecia areata.

Androgenetic alopecia is a common hair loss condition caused by testosterone effects on hair follicles, leading to thinner, shorter, and less pigmented hair, diagnosed using scalp dermoscopy and treated with topical minoxidil, antiandrogen agents, and 5-alpha reductase inhibitors.

Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.

New treatments like nanotechnology show promise in improving skin cancer therapy.

Topical minoxidil significantly increases hair growth in androgenetic alopecia but only some patients see cosmetically acceptable results.

CE-PTG is a better method for analyzing hair growth in androgenetic alopecia.

Transgender youth have more sleep disorders, but gender-affirming therapy may help reduce them.

Rosemary oil and minoxidil 2% both effectively increase hair count in people with androgenetic alopecia, but rosemary oil causes less scalp itching.

1% topical minoxidil solution significantly improved hair growth in Japanese women with androgenetic alopecia, with no major side effects.

Both finasteride and GnRH agonist treatments reduced hair growth in women with idiopathic hirsutism, but GnRH agonist was more effective.

Inflammation, possibly triggered by a specific bacteria and activated by UV radiation, may contribute to male pattern baldness.

Diet changes hormone levels in pregnant ewes by affecting metabolism, not placental synthesis.

Ten miRNAs may play key roles in starting secondary hair follicle development in sheep foetuses.

Retinoic acid affects skin and hair health by working with specific receptors, and its absence can lead to hair loss and skin changes.

New research suggests treating hair loss should focus on common inflammation rather than individual molecules.

Mesotherapy for the scalp can cause severe infections, fat tissue death, and permanent hair loss.

Vitamins A, B, C, and D are important for skin health and are being explored for new uses, but more research is needed to confirm their effectiveness.

People with androgenetic alopecia (hair loss) may have a higher risk of developing metabolic syndrome.

Azelaic acid and finasteride can help preserve skin flaps after surgery by increasing BCL-2 protein and decreasing bax protein.

Women with androgenetic alopecia (AGA) are more insulin resistant than healthy women, with various insulin sensitivity indices being higher in the AGA group. An oral glucose tolerance test is suggested for women with AGA.

Cannabis, cryotherapy, and scalp cooling can help improve the quality of life for chemotherapy patients.

Some small molecule antivirals show promise against COVID-19, but more research is needed to understand and improve them.

Eating a high-fat fish oil diet caused mice to lose hair due to a specific immune cell activity in the skin linked to a protein called E-FABP.

Minoxidil helps hair growth by promoting stem cell differentiation through increased ATP synthase activity.

Autoimmune diseases like lupus, dermatomyositis, and scleroderma can cause hair loss and other hair problems, and treatments for these diseases might also affect hair.