Professor Lesley Rhodes from the NIHR Manchester Biomedical Research Centre discusses her recent paper in Journal of Investigative Dermatology which explores the relationship between benefit and risk of sunlight (UVR) exposure for people with different skin types.
The study found there is an advantageous benefit: risk relationship to sunlight exposure in darker skin types, who can be encouraged to use sub-sunburn sunlight exposures to gain vitamin D. This is not the case in lighter skin types, as extremely low UVR exposures produce DNA damage in basal cells, where carcinogenic risk is greatest.
This provides an explanation for high skin cancer incidence in lighter skin types, and challenging guidance on gaining vitamin D “safely” through brief sun-exposures below their visible sunburn level.
Read a full summary here: [ Ссылка ]
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