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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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There are more bacteria in your mouth than there are people in the world.

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Active and passive immunity Active and passive immunity
Cleavage with trypsin and papain separates the myosin heads Cleavage with trypsin and papain separates the myosin heads
Listening to Normal Speech or Its Prosodic Components Functional MRI scans were made while subjects Listening to Normal Speech or Its Prosodic Components Functional MRI scans were made while subjects
A medical assistant listening to the patient and physician discuss the patient's care. A medical assistant listening to the patient and physician discuss the patient's care.
Purse cover, from the Sutton Hoo burial ship. Purse cover, from the Sutton Hoo burial ship.
Purse cover, from the Sutton Hoo burial ship. Purse cover, from the Sutton Hoo burial ship.
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

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