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… such as blood pressure, heart rhythm, and blood oxygen levels. Opening the chest Your surgeon will make a cut, or … such as blood pressure, heart rhythm, and blood oxygen levels. Opening the chest Your surgeon will make a cut, or …
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… this happens slowly, over years. What causes it? Low levels of dopamine, a brain chemical that helps control … movement, cause symptoms of Parkinson's disease. Low levels happen when nerve cells in a part of the brain that … this happens slowly, over years. What causes it? Low levels of dopamine, a brain chemical that helps control …
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… air flow through your nose and mouth, and blood oxygen levels. Although this test is not essential, it provides … air flow through your nose and mouth, and blood oxygen levels. Although this test is not essential, it provides …
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