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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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The FDA recognizes 118 routes of administration.

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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Impetigo, a highly contagious bacterial infection. Impetigo, a highly contagious bacterial infection.
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
In the 1960s, social psychologists did highly creative but controversial experiments. This photo, ... In the 1960s, social psychologists did highly creative but controversial experiments. This photo, ...
A highly sulfated glycosaminoglycan is heparin A highly sulfated glycosaminoglycan is heparin
The ability to solve problems may be highly efficient in the older adult The ability to solve problems may be highly efficient in the older adult
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Effect of the environment on coat color in the Himalayan rabbit Animation

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