Fish Oil, Vitamin D can Reduce Cancer, Heart Attack Risk

Highlights:

Deaths from cancer and heart attacks are on the rise
Taking fish oil rich in omega 3 and vitamin D supplements can protect against heart disease and cancer

Eating more fish, taking omega-3 fish oil and vitamin D supplements can cut down the risk of cancer and heart attack, reports a new study.//

The VITamin D and OmegA-3 Trial (VITAL) is the largest and most recent to test whether vitamin D or fish oil can effectively prevent cancer or cardiovascular disease. Results to date have been mixed but show promise for some outcomes, now confirmed by updated pooled (meta) analyses.

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‘Regular intake of vitamin D or fish oil supplements can keep cancer and heart attacks at bay.’
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The latest results from VITAL will be presented during The North American Menopause Society (NAMS) Annual Meeting in Chicago.

Details of the Study

Nearly 26,000 U.S. men and women participated in the nationwide VITAL clinical trial. After more than five years of study and treatment, the results show promising signals for certain outcomes. For example, while Omega-3 fatty acids (fish oil) showed only a small, but nonsignificant, reduction in the primary cardiovascular endpoint of major CVD events, they were associated with significant reductions in heart attacks.

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Findings of the Study

The greatest treatment benefit was seen in people with dietary fish intake below the cohort median of 1.5 servings per week but not in those whose intake was above that level. In addition, African-Americans appeared to experience the greatest risk reductions. The heart health benefits are now confirmed by recent meta-analyses of omega-3 randomized trials.

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Similarly, vitamin D supplementation did not reduce major CVD events or total cancer incidence but, was associated with a statistically significant reduction in total cancer mortality among those in the trial at least two years. The effect of vitamin D in reducing cancer death is also confirmed by updated meta-analyses of vitamin D trials to date.

"The pattern of findings suggests a complex balance of benefits and risks for each intervention and points to the need for additional research to determine which individuals may be most likely to derive a net benefit from these supplements," says Dr. JoAnn Manson, lead author of the study from Brigham and Women's Hospital, an affiliate of Harvard Medical School.

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"With heart disease and cancer representing the most significant health threats to women, it is imperative that we continue to study the viability of options that prevent these diseases and help women survive them," says Dr. Stephanie Faubion, NAMS medical director.

Drs. Manson and Faubion are available for interviews before the presentation at the Annual Meeting.

Reference:

Vitamin D and Fish Oil Show Promise in Prevention of Cancer Death and Heart Attacks - (https://www.menopause.org/docs/default-source/press-release/vitamin-d-and-fish-oil-for-cancer-and-cvd-prevention-final.pdf)

Source-Eurekalert