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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Fur Seal Pups
Sickled and normal red blood cells
Listening to Normal Speech or Its Prosodic Components Functional MRI scans were made while subjects
Effects of septal defects: (A) normal shunt; no cyanosis; (B) increased pressure in right ventricle; ...
A bell-shaped, or “normal,” curve shows the distribution of phenotypes for traits controlled by ...
Microarray procedure for analyzing gene expression in normal and cancer cells