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Garlic Fights Deadly Hypertension
Bad breath may be the price to pay for warding off high blood pressure
in the lungs. According to research on rats, an ingredient in garlic was
found to prevent pulmonary hypertension, a potentially deadly type of
high blood pressure in the arteries that bring blood to the lungs.
The magic ingredient: Allicin.
Researchers explain the garlic ingredient
allicin likely prevents pulmonary hypertension by causing the constricted
blood vessels to relax, and by preventing damage to the blood vessels.
Positive, Preventative Effects
of Allicin
To determine the ingredient's preventative effects, scientists first increased
the risk of pulmonary hypertension in rats using a drug that triggers
the constriction of the arteries feeding the lungs.
Some of the rats were given a powdered form of garlic
that contained allicin; others ate boiled garlic that was void of the
ingredient (it dissipates when exposed to heat through boiling). After
three weeks, researchers found:
High blood pressure in the lungs was prevented in the
rats that received allicin.
Rats that ate the boiled garlic developed pulmonary hypertension, proving
allicin as the key ingredient.
How Will These Findings Affect
Humans?
For humans, pulmonary hypertension can lead to potentially fatal complications
in the heart and blood vessels. And while consuming two cloves of garlic
every day would equal that of the rats' dosage in the experiment, additional
research needs to be done before doctors are able to recommend garlic
to patients who have an increased risk of pulmonary hypertension.
www.forbes.com 3rd April, 2005
Further Resources
Allicin - The Heart of Garlic by Peter Josling
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