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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
The More Things Change, The More They Say the Same: Dividing the Nation's Income The More Things Change, The More They Say the Same: Dividing the Nation's Income
Setting the Boundaries Setting the Boundaries
Radiative forcing expresses change in energy input over time Radiative forcing expresses change in energy input over time
Normal change in sea level Normal change in sea level
Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ... Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ...
Video: Physiology of Asthma

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