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Auxin and ethylene hormones both work together and against each other to control plant growth.

Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.

Human skin can make serotonin and melatonin, which help protect and maintain it.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

The circadian clock affects skin stem cell behavior, impacting aging and cancer risk.

The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.

TRPA1 is crucial for mechanical sensitivity in skin sensory neurons.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

Removing part of the vitamin D receptor stops vitamin D from working properly.

Chemotherapy can cause various skin reactions, with hair loss being the most common, and proper diagnosis and treatment of these reactions are important.

Some drugs can cause rare but potentially deadly skin reactions, and early treatment and avoiding the drug again are key.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.

5% minoxidil works better for hair growth and density, with minor irritation.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

The NAMS 2014 recommendations guide healthcare providers on treating health issues in midlife women, emphasizing individualized care and informed decision-making.

Teriflunomide helps reduce multiple sclerosis symptoms and is safe for most patients.

Apoptosis is essential for human skin development and forming a functional epidermis.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.

The document concludes that the fast-growing direct-to-consumer genetic testing market lacks sufficient regulation, posing risks to consumers due to questionable test quality and accuracy.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

A protein from certain immune cells is key for new hair growth after skin injury in mice.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Acne affects most teenagers and can continue into adulthood, with various treatments available that show improvement but have concerns like antibiotic resistance and side effects.

Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.

5% and 2% minoxidil solutions effectively promote hair growth and reduce hair loss, with 5% being slightly more effective but having more side effects.

Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.

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

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.