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Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

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.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

FUE hair transplants offer minimal scarring and are good for short hairstyles but are time-consuming and can be costly.

Immune cells affect hair growth and could lead to new hair loss treatments.

The document details hair transplantation techniques and innovations, highlighting Follicular Unit Transplantation as the standard and discussing the effectiveness and challenges of the procedure.

L-Carnitine-L-tartrate may help hair grow and prevent hair loss.

Finasteride reduces corpus cavernosum weight but doesn't affect erectile response in rats.

Cyclodextrins improve how steroid drugs work and are used in marketed medications and environmental applications.

Taking tamsulosin or finasteride and being older increase the risk of floppy iris during cataract surgery.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.

Mice can regenerate ear tissue without the p53 protein.

Scalp flaps are used for reconstruction, considering factors like inelasticity, hair growth, and blood supply, with techniques adapting to age-related changes in vascularity.

The spiny mouse can regenerate its skin without scarring, which could help us learn how to heal human skin better.

The article compares different products for rejuvenating the upper part of the face.

Cold air and a chilled sapphire window both protect the skin during laser treatments, and work better with water or gel, especially for darker skin.

Cosmetic surgery is more popular and cost-effective, but outcomes depend on the surgeon's skill and all procedures have potential complications.

The cause of alopecia areata was unknown, and while various treatments existed, no best treatment was agreed upon.

The transtemporal midface lift improves the lower eyelid and cheek area with high patient satisfaction and low complication rates.

Follicular Cell Implantation might become a new treatment for hair loss and could lead to advances in organ regeneration.

Researchers found specific genes in the part of hair follicles that could help treat hair disorders.

Diagnosing PCOS in teenage girls is tricky and requires careful evaluation and management.

Secondary aesthetic surgeries for gender reassignment are generally satisfying and advance overall aesthetic surgery techniques, but psychological support is important.

Different treatments can make an aging upper lip look younger and better proportioned.

Using skin stem cells and certain molecules might lead to scar-free skin healing.

Dyeing hair can help target and destroy hair follicles selectively.

Hirsutism causes significant psychological distress in women.

New suturing technique with wider intervals and shallow stitches helps prevent scalp scars and promotes hair growth.

Caffeine improves hair growth, thickness, and reduces shedding.