Archive for January 24th, 2008
Causes of Photoaging
Thursday, January 24th, 2008UV radiation readily penetrates the skin and damages molecules, especially DNA in the cell nuclei, which is important for cell function. This DNA damage is largely repaired, but some persistent abnormalities remain. These abnormalities may then gradually accumulate, leading slowly to skin photoaging or even eventually to skin cancer.
Approximately 5% of the […]
