195 citations,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
152 citations,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
116 citations,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
70 citations,
March 2008 in “Mechanisms of Ageing and Development” Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.
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.
Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.
25 citations,
November 2014 in “Ageing Research Reviews” Skin aging is caused by stem cell damage and can potentially be delayed with treatments like antioxidants and stem cell therapy.
383 citations,
February 2011 in “Nature Reviews Genetics” DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.
60 citations,
February 2013 in “Cell reports” The balance between androgen receptor and p53 is crucial for sebaceous gland differentiation.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.
688 citations,
June 2007 in “Cell Stem Cell” Removing the ATR gene in adult mice causes rapid aging and stem cell loss.
295 citations,
March 2016 in “Life Sciences” Air pollution worsens skin diseases and aging by causing inflammation and oxidative stress.
242 citations,
February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
127 citations,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
120 citations,
February 2009 in “Apoptosis” Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.
104 citations,
January 2016 in “Food & Function” Olive oil compounds may help prevent cancer in animals, but human results are mixed.
64 citations,
November 2012 in “EMBO reports” Lamins are vital for cell survival, organ development, and preventing premature aging.
50 citations,
May 2011 in “Journal of Ethnopharmacology” Eclipta alba extract shows potential as an anticancer agent by inhibiting cancer cell growth and promoting cell death.
32 citations,
January 2022 in “International Journal of Molecular Sciences” Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.
22 citations,
November 2014 in “Psychiatric Clinics of North America” Stress can worsen skin conditions and affect mental health, so doctors should include stress management in skin treatment.
10 citations,
March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
9 citations,
November 2018 in “Journal of cosmetic dermatology” Orobanche rapum extract rejuvenates skin and protects skin bacteria, leading to healthier skin.
1 citations,
April 2016 in “CRC Press eBooks” Skin aging reflects overall body aging and can indicate internal health conditions.
33 citations,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
January 2023 in “Frontiers in bioscience” Artemis protein may help control hair growth and health by influencing cell processes.
April 2017 in “Journal of Investigative Dermatology” Researchers improved a method to study individual cells in newborn mouse skin and found a way to assess the severity of a skin condition in humans.
29 citations,
January 2010 in “Methods in Enzymology” The document concludes that careful design of genetic fate mapping experiments is crucial for accurate cell lineage tracing in mice.
April 2018 in “Radiotherapy and Oncology” Mitochondria may influence how cells respond to radiation, affecting nearby non-irradiated cells.
141 citations,
August 2018 in “Nature Reviews Microbiology” Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.
27 citations,
January 2012 in “Current Topics in Microbiology and Immunology” Mice that can regenerate tissue have cells that pause in the cell cycle, which is important for healing, similar to axolotls.