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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Blood Blood
Blood Flow through heart Blood Flow through heart
Major three factors of blood pressure. Major three factors of blood pressure.
Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase II Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase II
Structural comparison of human blood vessels and the direction of blood flow through them Structural comparison of human blood vessels and the direction of blood flow through them
Video: Hemodynamics Animation

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