106 citations,
July 2013 in “Advances in wound care” UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.
62 citations,
October 2013 in “Journal of Human Evolution/Journal of human evolution” Forensic DNA Phenotyping can help predict physical traits from crime scene DNA to identify suspects.
22 citations,
July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
19 citations,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
18 citations,
July 2014 in “Molecular Medicine Reports” UVB radiation changes the levels of certain microRNAs in skin cells, which may affect cell survival and hair growth.
10 citations,
January 2013 in “Journal of skin cancer” PKC ε increases hair follicle stem cell turnover and may raise skin cancer risk.
6 citations,
October 2007 in “Medical Hypotheses” Male pattern baldness might have evolved to help protect against prostate cancer by increasing UV radiation on the scalp.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
11 citations,
November 2015 in “Carcinogenesis” Deleting TNFα gene reduces skin cancer risk in certain mice.
27 citations,
January 2002 in “Exogenous Dermatology” Chronic exposure to sunlight may worsen male pattern baldness and protecting the scalp from the sun could slow it down.
Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.
April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.
6 citations,
July 2013 in “Experimental and Therapeutic Medicine” Ginsenoside Rg1 protects mouse skin from UVB damage and helps control inflammation.
August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Increasing type 17 collagen reduces aging signs in skin cells caused by UV light.
July 2023 in “Photodermatology, Photoimmunology and Photomedicine” Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
10 citations,
August 1991 in “PubMed” Inflammation, possibly triggered by a specific bacteria and activated by UV radiation, may contribute to male pattern baldness.
1 citations,
January 2010 in “Biophysical journal” Hair fluorescence intensity can measure radiation exposure effectively.
222 citations,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
126 citations,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
89 citations,
June 2012 in “Anais Brasileiros de Dermatologia” Actinic keratosis can lead to skin cancer, is more common in fair-skinned people, and can be reduced with sunscreen and treated effectively.
77 citations,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
62 citations,
January 2003 in “Dermatology” Sunlight worsens hair loss; protect scalp.
15 citations,
December 2016 in “Obstetrics & Gynecology” Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.
10 citations,
July 2022 in “Dermatology and Therapy” Melasma's causes include genetics, sun exposure, hormones, and oxidative stress, and understanding these can help create better treatments.
8 citations,
January 2020 in “Skin Pharmacology and Physiology” Caffeine improves hair growth, thickness, and reduces shedding.
8 citations,
August 2019 in “Dermatologic surgery” Nonsteroid treatments for alopecia areata show promise but need more high-quality research.
7 citations,
May 2020 in “Trends in molecular medicine” The document concludes that the immune-inhibitory environment of the hair follicle may prevent melanoma development.
6 citations,
March 2022 in “International journal of molecular sciences” Natural skincare products may help reduce sun damage and support the skin's daily cycle.