Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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Cyanide works by making the human body unable to use oxygen.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
The carbon cycle.
Tracking atoms through photosynthesis.
Carbon Dioxide Phase Diagram
Carbon Orbitals
Atoms and Elements
A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL