Skin Cancer and Exposure to the Sun

If we consider skin cancer rates even just 20, 30, 40, 50 years ago, they're a lot lower than they are now. And yet the rates of all the issues that are attributed to sun, skin cancer, cataracts,. All of these are skyrocketing. So if the sun's the cause, then why is that happening? In my opinion, the sun's not the cause. We could talk about low melatonin, lower melatonin that's caused by excess blue light exposure constantly and chronic circadian disruption.

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