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Scalp biopsies are important for diagnosing hair loss conditions.

Most over-the-counter hair loss treatments lack strong evidence of effectiveness, except for minoxidil, which works but stops working if you stop using it.

Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.

No treatment alters the natural progression of alopecia areata, and effectiveness varies, with some possibly working better in children.

YAP and TAZ are crucial for skin cell growth and repair.

The effectiveness of alternative treatments for alopecia areata is uncertain and needs more research.

Cell polarity signaling controls tissue mechanics and cell fate, with complex interactions and varying pathways across species.

Too much male hormone in mothers can negatively affect the sexual behavior of both male and female baby mice.

Alopecia areata, a type of hair loss, may be passed through T cells and has genetic links, while treatments vary in effectiveness. Male pattern baldness can be treated with finasteride and is influenced by androgens in hair follicles.

Aromatherapy with certain essential oils is a safe and effective treatment for hair growth in alopecia areata patients.

Dermatopathology has made significant progress but many skin diseases remain incurable, requiring ongoing research.

Guidelines suggest various treatments for alopecia areata, but leaving it untreated is also an option as 80% cases may recover on their own.

Some herbal therapies may help with skin conditions, but more research is needed to confirm their safety and effectiveness.

The 2003 guidelines suggest that while some treatments can regrow hair in alopecia areata, none alter the disease's progression, and wigs may be the best option for extensive hair loss.

Silver can help prevent and treat infections but its effectiveness varies and should be weighed against costs and side effects.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

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

Blocking the enzyme 11β-HSD1 might help treat obesity and metabolic issues.

Abnormal Hedgehog signaling in blood cancers may help tumors grow and resist chemotherapy, suggesting potential for targeted treatments.

A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.

Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.

Some alternative treatments for hair loss might work, but more research is needed.

Plant-based ingredients are effective and safe for modern skincare products.

Doctors have known about fungal skin infections for a long time, but only made major progress in understanding and treating them since the mid-1800s.

Ozone therapy might improve cancer treatment and reduce its side effects.

Herbal extracts may help hair grow and could be an alternative to synthetic hair loss treatments.

Plant-based remedies may treat hair loss by reducing inflammation and improving insulin resistance.