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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Wood first appeared in plants called progymnosperms. Wood first appeared in plants called progymnosperms.
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
Mechanisms of action of antidepressants: (a) In adrenergic and serotonergic neurons the activity of ... Mechanisms of action of antidepressants: (a) In adrenergic and serotonergic neurons the activity of ...
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
Mechanism of action of alkylating drugs Mechanism of action of alkylating drugs
The nucleus is bounded by a double membrane called the nuclear envelope The nucleus is bounded by a double membrane called the nuclear envelope
Video: Epidural Hematoma

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