Vaccines prevent between 2.5 and 4 million deaths every year.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
Structure of a typical animal cell
A typical reception area in a medical office.
A typical lubrication system, showing the oil pan, oil pump, oil filter, and oil passages.
Parts of a typical spark plug.
Typical secondary ignition oscilloscope pattern.
Illustration of multidirectionality and low density of fibers in typical fascia.