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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Muscle male/female Muscle male/female
Recruitment of Muscle Fiber Type Recruitment of Muscle Fiber Type
Cat paw mobilizing of shoulders toward the feet. Press downward along upper trapezius muscle from ... Cat paw mobilizing of shoulders toward the feet. Press downward along upper trapezius muscle from ...
Testing the muscle strength of the wrist Testing the muscle strength of the wrist
Regulation of calcium Regulation of calcium
Skeletal muscle Skeletal muscle
Video: Introduction to Heart Attacks

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