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Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.

Cancer treatments targeting specific cells and the immune system can cause skin, mouth, hair, and nail problems, affecting patients' quality of life and treatment adherence.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Myrtle has various health benefits and potential for medicine development.

Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.

Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.

Targeting the IL-23/IL-17 pathway effectively treats several inflammatory skin diseases.

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

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

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

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.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Hibiscus plant extracts may have health benefits like lowering blood pressure and protecting the heart.

Modern lifestyles, including poor diet, stress, and long-term use of certain medications, hinder the body's ability to heal from inflammation, leading to chronic diseases.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

Olive oil compounds may help prevent cancer in animals, but human results are mixed.

Fullerenes show potential in skin care but need more safety research.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Women with type 1 diabetes often have polycystic ovary syndrome and excess male hormones, which are frequently undiagnosed.

Iranian veterans exposed to sulfur mustard suffer from long-term skin itching and eye damage, with some risk of skin cancer and ongoing management challenges.

The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.

A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.

Certain steroids in the brain affect mood and symptoms of depression, and treatments targeting these steroids show promise for improving these symptoms.

Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.

Muscles and nerves that cause goosebumps also help control hair growth.