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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.