What causes occasional spike in temperature of a human being?

What is systematic SEIZURE? How does the muscular system fights disease? How is digested food carried to your cells? Can Depakote cause a false positive screening for Pcp? What is the advantage of a pap test? What causes low bleeding time? How do you lower floor stock of foods in hospitals? What is a small measure of spirits called? What do the cardiovascular do? I am experiencing white sticky slippery discharges on the 4th day after my period what does this mean? Does health have a short vowel sound? Why was HIV excluded from insurance policies? Is radiation therapy used to shrink cysts in the brain that are benign? Why do women have to get PAP smears? How long is a dog contagious with upper respiratory infection? Is mac and cheese good for diarrhea? What is diabetic nephropathy? How many people die of AIDS per minute? What are some healthy recipes for the diabetic consumer? Can you be pregnant if your on birth control and you usually start early in the week and this time it was later and it only lasted for a day and now have nausea and back pains?