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It is pointed out in the passage that, normally, blood pressure ----.
The single most effective step people can take
against hypertension is to find out whether they have
it. At check-up time, a health-care professional can
provide an accurate resting blood pressure reading.
Under normal conditions, blood pressure fluctuates
continously in response to a variety of factors
including such things as talking or shifting position.
Some people react emotionally to the procedure,
which raises the blood pressure reading. For these
reasons, if the resting blood pressure is above
normal, the reading should be repeated before
confirming the diagnosis of hypertension. Thereafter,
the blood pressure should be checked regularly. In
general, efforts to reduce high blood pressure focus
on weight control, because excess body fat,
especially abdominal fat, can precipitate
hypertension. Indeed, weight loss alone is one of the
most effective nondrug treatments for hypertension.
Those who are using drugs to control their blood
pressure can often reduce or discontinue the drugs if
they lose weight. Even a modest loss of 5 kilograms
may significantly lower blood pressure.