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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.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
More than 4.4billion prescriptions were dispensed within the United States in 2016.