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Too much androgen can cause hair loss; finasteride may help.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Sensitive skin is often caused by nerve fibers and environmental factors, and can be managed with mild skincare and professional advice.

Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

Certain genes control the color of human hair by affecting pigment production.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

High doses of cyproterone acetate increase the risk of brain tumors in women, but the risk decreases after stopping the medication.

High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.

Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.

The document concludes with guidance for doctors on diagnosing and treating hirsutism effectively and safely.

Men are more likely to get infectious skin diseases, while women are more prone to autoimmune and pigment-related skin conditions, influenced by biological and environmental factors.

Long-term finasteride use doesn't change bone density or metabolism.

Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.

Human hair follicles switch between active and resting phases unpredictably.

All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Certain medications and maintaining adequate iron levels can help manage women's hair loss.

Dogs could be good models for studying human hair growth and hair loss.

Annurca apple supplement safely increases hair growth and keratin in humans.