What are the points you want to keep in mind as a measure against sunburn?
Due to the pandemic of the new coronavirus that started in 2020, many people say that they 'have decreased the frequency of going out', and some say that they 'have not gone out for a while'. Sarah Allinson, an expert on UV-derived skin cancer, explains the problem of 'sunlight' when these people go out after a long time.
How to avoid sun damage after months in lockdown
According to Arinson, sun damage to the skin is associated with both skin cancer and premature aging, both of which are caused by UV light. One of the reasons UV rays are harmful is that they damage the DNA of skin cells. If cells cannot repair DNA damage, mutations can lead to cancer cells.
The human body has a defense against such ultraviolet rays. One of these is 'sunburn,' in which pigment-producing cells that receive an alarm signal from skin cells that detect DNA damage produce ' melanin, ' which absorbs ultraviolet light. This melanin is black to brown, which makes the skin black. This is the mechanism of sunburn.
Studies have shown that sunburned skin is four times more protective than normal, but sunburned skin will still be damaged if exposed to the sun. If this damage continues, the cell's suicide process called 'apoptosis ' will be activated, and the cells in the skin will come off before causing any abnormalities. It is this apoptosis that causes the skin to turn red and tatter when sunburned.
However, if you continue to be exposed to these UV rays, you may develop skin cancer. According to Arinson, the incidence of skin cancer has risen as travel abroad has become more common, and the incidence of skin cancer in the United Kingdom has increased approximately eight-fold in the 40 years from 1981 to 2018. The research result that it was also announced.
As a measure against such sunburn, Mr. Arinson recommends checking the 'UV index'. The UV index is an index of the intensity of ultraviolet rays in order to show the degree of influence of ultraviolet rays (Ultra Violet: UV) on the human body in an easy-to-understand manner. In Japan, it can be confirmed on the page called 'Ultraviolet Information' of the Japan Meteorological Agency. You can see the intensity of the ultraviolet rays that fall on each place by the color.
Japan Meteorological Agency | Ultraviolet information (distribution map)
https://www.data.jma.go.jp/gmd/env/uvindex/index.html
As other sun protection measures, Arinson recommends hats and clothes that reduce exposed areas and sunscreen. As for sunscreen, it is recommended to use a sunscreen with a 'Sun Protection Factor (SPF)' value of 20 or more, which indicates the UV protection effect.
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