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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.