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The human body produces and destroys 15 million blood cells every second.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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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.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

electron microscope image of a pyralidae moth electron microscope image of a pyralidae moth
Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common Conjunctivitis, with the characteristic “pinkeye” appearance. A yellow crusty exudate is also common
Midsagittal image of the head on an MRI scan Midsagittal image of the head on an MRI scan
The formed elements: In this image, the red cells are red, the white cells are white, and the ... The formed elements: In this image, the red cells are red, the white cells are white, and the ...
The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ... The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ...
A colorized image of the human male chromosome set A colorized image of the human male chromosome set
Video: Autonomic Nervous System Animation

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