Cause of swelling: If an insect bites the skin or if there is an injury, swelling often occurs in that organ of the body. Often this swelling gets cured after applying some ointment or taking some medicine. But seeing the swelling, the question definitely comes in the mind that what changes inside the skin, which makes the skin swollen and thick, and then after applying medicine or eating, what changes so that the skin becomes normal and smooth again. … Why does swelling happen? Inflammation is our body’s response…
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