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Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Cerebral aneurysm. A cerebral aneurysm is the abnormal dilation of arteries supplying the brain, whi Cerebral aneurysm. A cerebral aneurysm is the abnormal dilation of arteries supplying the brain, whi
Tuberculosis. Microphotograph of the Mycobacterium tuberculosis, the cause of the disease TB. Tuberculosis. Microphotograph of the Mycobacterium tuberculosis, the cause of the disease TB.
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Chickenpox rash. (Centers for Disease Control and Prevention [CDC]/Ann Cain) Chickenpox rash. (Centers for Disease Control and Prevention [CDC]/Ann Cain)
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Video: Mendel's Principles of Inheritance (Father of Genetics)

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