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Men and women experience skin aging differently due to changes in sex hormone levels with age.

Lasers are effective and safe for various medical treatments, including cancer, wound healing, and skin conditions.

3D imaging shows clearer details of skin structure changes with age.

Chick embryo extract helps rat hair follicle stem cells potentially turn into Schwann cells, important for the nervous system.

High-dose vitamin D3 does not improve symptoms or quality of life in COVID-19 patients after one year.

Significant progress was made in understanding PXE, but effective treatments are still needed.

Two new compounds were found to build bone and muscle without affecting reproductive organs and skin oil glands.

A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.

3D bioprinting in plastic surgery could lead to personalized grafts and fewer complications.

Marine algae compounds may improve skin health and promote hair growth.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Combination pharmacotherapy is generally more effective for treating keloids and hypertrophic scars.

A patient's rare benign tumor in the neck was removed successfully with proper function of the facial nerve maintained.

New findings suggest certain genes and microRNAs are crucial for wound healing, and innovative technologies like smart bandages and apps show promise in improving treatment.

Tea, especially green tea, shows promise in cosmetics for skin and hair benefits but more research is needed for effective use.

Michael L. Beehner proposed a standardized way to describe balding areas on the scalp to help hair restoration experts communicate better.

Certain hairstyles can cause scalp diseases, smoking is linked to hair loss, 5% minoxidil foam is effective for hair loss treatment, and various factors influence wound healing and hair growth.

The diagnosis of polycystic ovary syndrome (PCOS) requires a detailed patient history, ultrasound scanning, hormone level checks, and assessments of ovulation, obesity, and insulin resistance. It's a variable condition that needs individualized management and is a significant risk factor for type 2 diabetes.

The document concludes that the effectiveness of platelet rich plasma in aesthetic surgery is unclear due to inconsistent reporting and lack of objective measures in studies.

The debate focuses on the role of catagen and hair shedding mechanisms in telogen effluvium.

Animal models have helped understand hair loss from alopecia areata and find new treatments.

Dr. Walter P. Unger believes lasers could eventually be important in hair transplantation for achieving natural-looking results, despite current limitations.

Moles on the scalp are more common in people with more body moles and atypical moles, but not linked to balding.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Researchers found that dissecting folliculitis of the scalp is linked to obesity, severity increases with duration and number of nodules, and early treatment is important to prevent scarring.

Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.

Scalp cooling can reduce chemotherapy-induced hair loss and should be available in all hospitals.

Erosive pustular dermatosis of the scalp is a type of skin inflammation often confused with other conditions, requiring continuous treatment.

Botulinum toxin's effectiveness for treating scalp alopecia is not well-supported due to insufficient data.

Scalp psoriasis treatments like strong corticosteroids and vitamin D3 analogues are effective, especially when combined.