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Eczema and fungal infections are the most common skin problems in Japan, with different age groups and genders affected by various conditions.

RNAi-based biopesticides could be safe and effective for pest control with careful development and risk assessment.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Masculine facial features may not reliably indicate heritable health, and more research is needed.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

Minoxidil promotes hair growth in male pattern baldness.

Finasteride treats enlarged prostate and hair loss, but may cause side effects in some patients.

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

PRP treatment improves hair growth, and the device used can affect results, with some being more effective.

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

Facial feminization surgery is effective in helping transgender women appear more feminine and has high patient satisfaction.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.

Forehead modification greatly increases the perception of femininity and is a safe procedure.

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.

Inflammation may be linked to hair loss, and targeting specific enzymes could help treat it.

Skin grafts on mice can cause an immune response leading to hair loss, useful for studying human hair loss conditions.

Nanoparticles can improve skin drug delivery but have challenges like toxicity and stability that need more research.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

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

The conclusion is that the risk of losing significance in meta-analysis results increases with smaller effects and more missing data, and using the median standard deviation for imputation is recommended.

Obesity is linked to various skin problems and may increase the risk of skin cancer.