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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The human body produces and destroys 15 million blood cells every second.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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.