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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.
Everyone has one nostril that is larger than the other.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.