What does 1 hour in the sun do to the human skin ncmbi?

It can damage collagen fibers, destroy vitamin A in skin, accelerate aging of the skin, and increase the risk of skin cancers. Excessive sun exposure can also cause cataracts and diseases aggravated by UVR-induced immunosuppression such as reactivation of some latent viruses.

. ph changes the ability of them he enzyme to dissolve in water.

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