Eating veg 'cuts blood pressure'
The key to a healthy heart?
A vegetable-rich diet can help to reduce blood pressure, researchers
say.
A team led by Imperial College London, which studied 4,680 people aged
40-59, said it was not clear why eating more vegetable protein had such
an effect.
But amino acids - the building blocks of protein - or vegetable
components, like magnesium, may be key, they said.
However, they found no strong evidence that high meat consumption is
linked to high blood pressure. The study features in Archives of
Internal Medicine.
Understanding more about these vegetarian proteins could help guide
us in how to prevent or treat heart and circulatory disease
Belinda Linden
British Heart Foundation
Some types of amino acid have been shown to influence blood pressure,
for instance arginine has been shown to dilate the blood vessels.
Different proportions of amino acids are found in meat and vegetarian
matter.
Healthy lifestyle
Writing in the journal, the researchers, led by Professor Paul Elliott,
said more research was needed to pin down exactly why vegetables helped
lower blood pressure.
High blood pressure is associated with an increased risk of heart
disease and stroke.
But they stressed: "Our results are consistent with current
recommendations that a diet high in vegetable products be part of a
healthy lifestyle for prevention of high blood pressure and related
chronic diseases."
Belinda Linden, medical spokesperson for the British Heart Foundation,
said previous research had also shown that blood pressure was better
controlled with a vegetarian diet.
She said: "Vegetables contain less salt and more antioxidant vitamins,
are low in calories, high in fibre and also help to control diabetes.
"Having proteins found in vegetables rather than those derived from
animals may offer a number of natural benefits for people who are at a
high risk of coronary heart disease, stroke or diabetes.
"Understanding more about these vegetarian proteins could help guide us
in how to prevent or treat heart and circulatory disease and allow us
to lead an appropriate healthy lifestyle."
During the study, volunteers had their blood pressure read eight times.
Each participant wrote down everything they had eaten and drunk over
the previous 24 hours before each check-up, including dietary
supplements.
Who loves ya.
Tom
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