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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.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.