Give scientific reasons. 4 Marks i)Wrinkles form on the skin of older people.
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As you get older, your skin naturally becomes less elastic and more fragile. Decreased production of natural oils dries your skin and makes it appear more wrinkled. Fat in the deeper layers of your skin diminishes. This causes loose, saggy skin and more-pronounced lines and crevices.
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Over time, these expressions coupled with gravity contribute to the formation of wrinkles. Excessive exposure to ultraviolet (UV) radiation from the sun can result in premature aging of the skin, also known as photoaging. Exposure to UV light breaks down collagen fibers and leads to the production of abnormal elastin.
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