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7 December, 2018 00:00 00 AM / LAST MODIFIED: 6 December, 2018 08:29:53 PM
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Fish, fish oil may lower your heart attack risk

Fish, fish oil may 
lower your heart 
attack risk

Eating more fish or taking a fish oil supplement can reduce your risk of a heart attack, according to a pair of Harvard-led clinical trials. Heart benefits from omega-3 fatty acids were found both in healthy people and in people with conditions that put them at increased risk of heart attack, stroke or heart disease, the two studies found.

The Vitamin D and Omega-3 Trial (VITAL) found that healthy people who took a fish oil supplement suffered fewer heart attacks, particularly if they were black or did not regularly eat fish. Meanwhile, a purified form of omega-3 fatty acid reduced the risk of death by heart disease, heart attack or stroke in people with hardened arteries or other heart risk factors, according to findings from the Reduction of Cardiovascular Events with Icosapent Ethyl Intervention Trial (REDUCE-IT).

The two studies provide firm evidence that the omega 3 fatty acids found in fish like salmon, sardines or tuna can have a beneficial effect on heart health, said Dr. JoAnn Manson, chief of preventive medicine at Brigham and Women's Hospital in Boston, and lead researcher for the VITAL trial.

"We're not recommending that everyone in the world begin taking fish oil supplements. In terms of the omega 3s, the best thing to do is to try to have more dietary fish," Manson said. "If people aren't going to eat fish, there really may be some benefits from taking a fish oil supplement. We recommend they discuss that with their health care provider."

Results from both clinical trials were to be presented Saturday at the American Heart Association's annual meeting, in Chicago, and will be published simultaneously in the New England Journal of Medicine.

For the VITAL trial, nearly 26,000 U.S. men and women aged 50 and older were randomly assigned to take 1 gram of fish oil or 2,000 International Units of vitamin D daily, or a placebo. Participants had no history of heart problems. The fish oil supplements reduced risk of heart attack by 28 percent over a five-year follow-up period, but they did not affect a person's risk of stroke or cancer, researchers found.

"The lower risk of heart attack was found particularly in those who have low fish consumption," Manson said. "That group had 19 percent reduction in all major cardiovascular events, plus they had a 40 percent reduction in heart attack."

VITAL also found overwhelming benefit of fish oil supplements for black participants, who had a 77 percent reduction in their risk of heart attack.

"If that can be confirmed in a follow-up study, then it could point to a very promising approach to reducing a health disparity," Manson said. Blacks tend to have a greater risk of heart disease than whites and other racial groups.

The clinical trial found no heart health benefit from vitamin D, although it did reduce the risk of cancer death by 25 percent. Dr. Satjit Bhusri is a cardiologist with Lenox Hill Hospital in New York City. "This is a very important and impressive trial. Its results will have a lasting change in the prevention of heart disease," said Bhusri, who was not involved with the studies. "A reduction in heart attacks this profound has not seen been since in primary prevention since the early trials of aspirin therapy."

                                                                              

HealthDay                                                                        

 

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Editor : M. Shamsur Rahman

Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Editor : M. Shamsur Rahman
Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

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