The Effects of Sunlight on DNA and Sunburns Explained

A little bit of sunlight is beneficial and necessary, but excessive exposure can lead to harm./nSunburn is a sign of overexposure to sunlight and should be avoided./nWearing sunscreen is important when spending extended time in the sun./nSunlight can cause chemical changes in the DNA, specifically in the two letters 'tas' of the DNA sequence./nThe fused DNA molecules create a barrier that prevents the DNA from being opened and read./nEnzymes struggle to navigate the fused DNA, requiring the removal and replacement of the fused molecules./nRemoving the fused molecules allows the DNA to be accessed and read effectively.

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