Doctors consider blood pressure levels under 120/80 and above 90/60 mm Hg to be normal. People with levels below 90/60 have low blood pressure. Between 120/80 and 140/90 is still seen as normal, but high, and doctors may diagnose such individuals as having pre-high blood pressure. In such cases, they may recommend the patients take actions to reduce blood pressure before a severe condition develops. Any measurement over 140/90 is high blood pressure or hypertension and may lead to medical issues.
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