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Women with hair loss have higher androgen levels, while men with early balding have altered androgen ratios.

The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.

Improving artificial vascular grafts requires better materials and surface designs to reduce blood clotting and support blood vessel cell growth.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

Over one-third of women experience hair loss, with female-pattern hair loss being most common, and treatments include minoxidil and possibly hair transplantation.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

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

Finasteride may cause long-lasting sexual side effects.

Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

Six new genetic regions linked to early hair loss also connect to Parkinson's disease and prostate cancer, possibly leading to new treatments.

Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.

Costunolide may have multiple health benefits, including promoting hair growth and protecting against cancer and diabetes, but more research is needed.

The circadian clock influences the behavior and regeneration of stem cells in the body.

Most dermatologic medications are safe during pregnancy and breastfeeding, but some should be avoided due to potential risks.

Electrospun nanofibers show promise for enhancing blood vessel growth in tissue engineering but need further research to improve their effectiveness.

Shrinking skin cancer increases the chance of cancer in nearby lymph nodes.

A special dressing called FEA-PCEI can speed up wound healing, reduce scars, and help grow new hair follicles, but only at the right dosage.

Post-finasteride patients show changed neuroactive steroid levels, possibly causing erectile dysfunction and depression.

Key genes are crucial for Drosophila wing development and could be insecticide targets.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

Bismuth subgallate and borneol together improve skin wound healing better than when used separately or compared to other treatments.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Fetal cells could improve skin repair with minimal scarring and are a potential ready-to-use solution for tissue engineering.

Some people experience severe, long-lasting side effects from fluoroquinolone antibiotics, leading to the recommendation of limited use and increased awareness of these risks.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.

Food deprivation increases MST enzyme in the brain, possibly affecting energy balance.

5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

The research suggests that Tourette syndrome is linked to both brain signaling and immune system pathways.