Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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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.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Research Methods
Selected Oral Contraceptives
Selected Cephalosporins
Selected OTC Antihistamine Combinations
Controlled Scientific Experiments Scientists use experimental research to test hypotheses