The average adult has about 21 square feet of skin.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
Examples of modified leaves.
Examples of cell types derived from ectoderm, mesoderm, and endoderm.