A Dose of Defense?: Omega-3 Supplements Appear Protective against PM Effects
2008
Omega-3 Supplements May Protect Against Air Pollution Effects
Sample size: 52
publication
Evidence: moderate
Author Information
Author(s): Cynthia Washam
Primary Institution: National Institute of Environmental Health Sciences
Hypothesis
Can omega-3 supplements reduce cardiac stress caused by air pollution in the elderly?
Conclusion
Omega-3 supplementation is associated with reduced oxidative damage in elderly individuals exposed to high levels of air pollution.
Supporting Evidence
- Omega-3s may help protect the heart against the damaging effects of air pollution.
- The study is the first to examine the effects of omega-3s on biomarkers of cellular response to oxidative stress from air pollution.
- Fish oil users showed a greater antioxidant effect compared to soy oil users.
Takeaway
Taking omega-3 supplements might help older people’s hearts when there’s a lot of air pollution around.
Methodology
A double-blind study where half of the participants received fish oil supplements and the other half received soy oil supplements over four months.
Limitations
The study had a small sample size and limited exposure assessment.
Participant Demographics
Elderly nursing home residents in Mexico City.
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