More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Did you know?
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The human body produces and destroys 15 million blood cells every second.
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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.
Interior view of the heart chambers.
HEART
Lungs
Pathophysiology of heart failure
Desmosomes and gap junctions, as shown in heart muscle: Desmosome
