Tall? That may be good news for your heart
Source: Agencies |
January 21, 2012, Saturday
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TALL men appear less likely than shorter ones to develop heart failure, according to a study covering thousands of US doctors.
Researchers in Boston said that while there is no proof that a few extra centimeters protect the heart, it was possible that short and tall people are different in other ways, including in their diets or diseases growing up, which could affect heart risks.
"This study doesn't say anything definite about whether height, itself, is going to lead to anything," said lead researcher Luc Djousse, of Brigham and Women's Hospital and Harvard Medical Center.
But the researchers, whose findings were published in the American Journal of Cardiology, said it's also possible that something about the biology of taller people, such as the distance between their hearts and certain branches of arteries and blood vessels, could decrease stress on the heart.
Data came from 22,000 male doctors who were followed as part of a heart disease and cancer study, starting when they were in their mid-50s, on average.
After responding to an initial questionnaire that asked about their height, weight and health condition, the men filled out follow-up surveys where they reported new medical diagnoses every year.
The report included data from an average 22 years of that follow-up, during which 1,444 men, or about 7 percent, developed heart failure.
The taller men were, the lower their chance of heart failure, the researchers found.
The tallest men in the study, those over 1.8 meter, were 24 percent less likely to report heart failure than men who were 1.72m and shorter.
That was after their age and weight, as well as whether they had high blood pressure and diabetes, had all been taken into account.
But the study couldn't prove that there wasn't another reason for the findings, said Jeffrey Teuteberg, a cardiologist at the University of Pittsburgh Medical Center.
A taller frame might mean that when blood is directed back to the heart at certain points in artery and blood vessel branches, it takes longer to get there or hits the heart during a less-stressful part of its rhythm, Teuteberg said.
"The message certainly shouldn't be: 'If you're tall, don't worry about these sorts of things, or if you're short, you're doomed," he said.
Researchers in Boston said that while there is no proof that a few extra centimeters protect the heart, it was possible that short and tall people are different in other ways, including in their diets or diseases growing up, which could affect heart risks.
"This study doesn't say anything definite about whether height, itself, is going to lead to anything," said lead researcher Luc Djousse, of Brigham and Women's Hospital and Harvard Medical Center.
But the researchers, whose findings were published in the American Journal of Cardiology, said it's also possible that something about the biology of taller people, such as the distance between their hearts and certain branches of arteries and blood vessels, could decrease stress on the heart.
Data came from 22,000 male doctors who were followed as part of a heart disease and cancer study, starting when they were in their mid-50s, on average.
After responding to an initial questionnaire that asked about their height, weight and health condition, the men filled out follow-up surveys where they reported new medical diagnoses every year.
The report included data from an average 22 years of that follow-up, during which 1,444 men, or about 7 percent, developed heart failure.
The taller men were, the lower their chance of heart failure, the researchers found.
The tallest men in the study, those over 1.8 meter, were 24 percent less likely to report heart failure than men who were 1.72m and shorter.
That was after their age and weight, as well as whether they had high blood pressure and diabetes, had all been taken into account.
But the study couldn't prove that there wasn't another reason for the findings, said Jeffrey Teuteberg, a cardiologist at the University of Pittsburgh Medical Center.
A taller frame might mean that when blood is directed back to the heart at certain points in artery and blood vessel branches, it takes longer to get there or hits the heart during a less-stressful part of its rhythm, Teuteberg said.
"The message certainly shouldn't be: 'If you're tall, don't worry about these sorts of things, or if you're short, you're doomed," he said.
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