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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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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Plant cell-to-cell junctions known as middle lamella Plant cell-to-cell junctions known as middle lamella
The grey nurse shark is critically endangered on the Australian east coast. The grey nurse shark is critically endangered on the Australian east coast.
The internal structures of the outer, middle, and inner ear. The internal structures of the outer, middle, and inner ear.
The ossicles of the middle ear along with the oval window and tympanic membrane. The ossicles of the middle ear along with the oval window and tympanic membrane.
Middle nasal conchae Middle nasal conchae
Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph Middle adulthood can bring large-scale changes in lifestyle and interests, as illustrated by this ph
Video: Cerebral Cortex Animation

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