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Melanoma is Not Caused by Early UVA Light Exposure

Exposure to ultraviolet A light early in life has been shown not to cause melanoma in a fish model. This means that UVA exposure is unlikely to have contributed to the rise in melanoma over the past 30 years -- previously, the fish model had been the only animal model to indicate the connection.

UVA can cause squamous cell carcinomas and also causes premature skin aging and immune system suppression.

According to Eurekalert:

“Only 12.4 percent of 282 fish exposed to UVA developed the disease, which is not statistically different from the control group.”

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