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Bran May Slash Hypertension Risk,
According to New Cardiovascular
Health Study From Harvard
Increased Intakes of Whole Grains, and Bran in
Particular, May Reduce The Incidence of Hypertension
In Men, According to Important New Findings.
Data
from over 30,000 men participating in the Health Professionals
Follow-Up Study indicated that increased intakes of whole grains are
associated with a 19 per cent lower incidence of hypertension.
The
research from Harvard School of Public Health, report the findings
online in the American Journal of Clinical Nutrition. "These findings
have implications for future dietary guidelines and prevention of
hypertension," they reported.
High blood pressure
(hypertension), defined as having a systolic and
diastolic blood
pressure (BP) greater than 140 and 90 mmHg, is a major
risk factor for
cardiovascular disease (CVD) - a disease that causes
almost 50 per cent
of deaths in modern society.
While the potential heart health
benefits of whole grains have been reported
before, the Harvard
researchers note that no studies have reported if the total
grams of
whole grains are linked to the risk of hypertension.
The 31,684
male health professionals aged between 40 and 75 without known
hypertension, cancer, stroke, or heart disease were followed for 18
years.
During this time, 9,227 cases of incident hypertension were
documented.
Comparing the highest intakes of whole grains to the
lowest intakes, the
researchers calculated that whole grains were
associated with a 19 per cent
reduction in the incidence of
hypertension.
When they subsequently looked at total bran, a 15
per cent reduction in the
incidence of hypertension was observed for
men with the highest intakes,
compared to the lowest.
"In
summary, we found an independent inverse association between intake
of
whole grains and incident hypertension in men," wrote the researchers.
"Bran may play an important role in this association," they concluded.
Source: American Journal of Clinical Nutrition
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