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Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.

Applying a special DNA plasmid to the skin can make it thicker and stronger.

Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.

The Brazilian Society of Dermatology agrees that oral isotretinoin is effective for acne and other skin conditions, and it's safe when monitored, but more research is needed on dosing and duration.

New physical methods like electrical currents, ultrasound, and microneedles show promise for improving drug delivery through the skin.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

The COVID-19 pandemic led to fewer dermatology visits and changed the types of skin conditions patients experienced.

Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

Both genetic and lifestyle factors significantly affect female hair loss.

Certain molecules in hair change with age and could be used for cosmetic treatments.

Hydroxychloroquine showed some potential, but overall, the three drugs had limited success in treating lupus in dogs.

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.

Using micro-needling, low-level laser therapy, and platelet-rich plasma together significantly improves hair growth in people with hair loss.

Finasteride reduces response to stress and rewards, affecting behavior and mental health.

Researchers created a fast, accurate computer program to measure hair loss in alopecia areata patients.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

The document concludes that clinicians should be aware of common hair and scalp disorders in women of African descent and that more research is needed to develop effective treatments.

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

Blood tests can help understand the genetic differences in people with alopecia areata, including how severe it is and if it's inherited.

Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.

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

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

Whale genes show changes that help them live in water, like less hair and better flippers.

A new gel containing minoxidil can treat hair loss effectively, potentially reducing side effects and improving treatment.

Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.

The document concludes that Functional Hypothalamic Amenorrhea should be carefully diagnosed and managed to prevent health complications, using lifestyle changes and specific medications.

Electro-acupuncture may help treat PCOS in rats by changing brain DNA methylation.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

Knowing detailed head and neck anatomy is crucial for safe and effective facelift surgery.