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Exposure to too much androgen before birth might cause polycystic ovary syndrome later in life.

The immune system plays a key role in tissue repair, affecting both healing quality and regenerative ability.

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.

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.

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.

High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Melatonin may benefit skin health and could be a promising treatment in dermatology.

A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.

Some medicinal plants can help heal wounds and may lead to new treatments.

Myrtle has various health benefits and potential for medicine development.

Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

Blocking JAK-STAT signaling can lead to hair growth.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.

Oxidative stress contributes to hair graying and loss as we age.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

Rhodococcus equi causes severe pneumonia in young foals, and effective vaccines are needed due to foals' weak immune responses.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

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

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

C60 fullerenes can alter protein function and may help develop new disease inhibitors.

Olive oil compounds may help prevent cancer in animals, but human results are mixed.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.