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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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.
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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.