(CNN)You may have purchased an air filter to put in your car or even an air purifier for your home. But what about something to put in your body to protect from air pollution?
You can skip the hardware store and head straight to the grocery store for that, new research has suggested.
Eating more than one to two servings a week of fish or shellfish may allow older women to consume enough omega-3 fatty acids to counteract the effects of air pollution on the brain, according to a study published today in Neurology, the medical journal of the American Academy of Neurology.
"Omega-3 fatty acids have been shown to fight inflammation and maintain brain structure in aging brains. They have also been found to reduce brain damage caused by neurotoxins like lead and mercury," said study author Dr. Ka Kahe, a professor of epidemiology and obstetrics and gynecology at Columbia University in New York, in a press release.
"So we explored if omega-3 fatty acids have a protective effect against another neurotoxin, the fine particulate matter found in air pollution."
Connections between food and brain health
The study observed white women over 70 who live in area