Tuesday Dec 23, 2008 (foodconsumer.org) -- Simply having
some extra pounds and being physically inactive a bit may dramatically boost your risk of
heart failure, a new study in the Dec 23 2008 issue of Circulation suggests.
The study led by Dr. Satish Kenchaiah at Brigham and
Women's Hospital in Boston and colleagues found that after adjusting potential
confounders, overweight people were 49 percent more likely to experience heart failure
compared with those with normal body weight.
(HF) is a condition in which a problem with the structure or function of the heart impairs its
ability to supply sufficient blood flow to meet the body's needs, according to
The study followed more than 21,000 doctors for two
decades. At baseline, 5 percent of the doctors were obese and 40 percent were
Obesity is defined as a body
mass index of 30 or above while overweight is defined as a BMI of 25 to 29.9.
In the United States, it is estimated that only 30
percent of the population are physically active, but two thirds have excessive
The researchers found higher BMI was associated with
higher risk of heart failure.
people were found at 180 percent higher risk of heart failure.
Physical activity helped reduce risk of heart failure.
Those who engaged in physical activity one to three times a month were 18
percent less likely to have heart failure and those who were physically active
five to seven times a week were 36 percent less likely to have the condition.
More than 650,000 cases of heart failure are expected in
the country each year.
And about 80
percent of men and 75 percent of women aged 65 who are diagnosed with heart
failure are expected to die within eight years.
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