Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
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Illicit drug use costs the United States approximately $181 billion every year.
Sun size comparison
Parallel Light Rays from Distant Objects
Relative Ventricular Size in Chronic Schizophrenics and Controls