Insect bites leave venom in the skin and cause a usually mild but itchy skin reaction. Scratching may infect the wound and leave lasting scars. Infection becomes obvious if the bite swells and reddens on the se...
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Initial signs of chickenpox are a slight fever and flu-like symptoms of aching muscles and headaches. Within days, a rash of small red spots appears on the face, later moving to include the trunk of the body. O...
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The long-term effects of high blood pressure are serious, and cause heart attacks, strokes, kidney failure and retinal damage. Most people do not notice they have high blood pressure until they develop one of t...
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