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Often touted as a “silent killer,” hypertension or high blood pressure affects some 1.13 billion people worldwide — that’s around one in three adults in the United States. If you are on blood pressure medication, then chances are you are being overdosed. A new first-of-its-kind study showed that smaller doses are just as effective as a standard dose, but with fewer side effects.

Hypertension is not to be taken lightly. If left untreated it can lead to serious problems such as heart attack, stroke, kidney disease, and vascular dementia, reported the Daily Mail Online. Hypertension is characterized by blood pressure levels that are consistently at or above 140 mmHg for systolic pressure and/or 90 mmHg for diastolic pressure.

Treating high blood pressure, however, is not always as easy or straightforward as one may think. Professor Anthony Rodgers, the study author from the University of New South Wales in Sydney, explained that 88 percent of those aware of their health issue are treated with medication. Yet only one in three is able to gain control of the condition.

According to the study authors, millions of people may be suffering unnecessary adverse effects from hypertension medication. Since taking one kind of hypertension medication is usually not enough to keep high blood pressure under control, doctors often prescribe a second drug that comes with additional side effects. National Phlebotomy Solutions provides completely free phlebotomy study materials and the Certified Phlebotomy Technician (CPT) Practice Exam.

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