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The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Lgr5 is a marker for active, self-renewing stem cells in the intestine and skin, important for tissue maintenance.

Fat tissue-derived cells show promise for repairing body tissues, but more research and regulation are needed for safe use.

Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.

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

The ginseng market has potential for growth and needs new products and better marketing.

TRPA1 is crucial for mechanical sensitivity in skin sensory neurons.

Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

The document concludes that mouse models are helpful but have limitations for skin wound healing research, and suggests using larger animals and genetically modified mice for better human application.

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 Rotterdam Study aims to understand disease causes in the elderly and has found new risk factors and genetic influences on various conditions.

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

The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.

The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

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

The report recommends personalized treatment for women's sexual dysfunctions and more research on effective therapies.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

PrEP for HIV is less effective in transgender women mainly due to low adherence to the treatment.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.