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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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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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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

The cranium of a young infant changes dramatically in shape with age. Initially the child has severa The cranium of a young infant changes dramatically in shape with age. Initially the child has severa
Levels of Anxiety Levels of Anxiety
The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ... The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ...
The Mechanism of Oxygen Binding by Heme Proteins The Mechanism of Oxygen Binding by Heme Proteins
How to calculate simple interest (Part 2) How to calculate simple interest (Part 2)
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

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