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Air pollution and heart disease skyrockets risk for dementia, study says

March 30, 2020. Summarized by summa-bot.

The hundreds of millions of people in the world breathing polluted air are at high risk for both heart disease and dementia, a new study says.

(CNN)People with heart conditions who live in areas with even minimal air pollution are at increased risk for dementia, according to a new study published Monday in JAMA Neurology.

Prior studies have shown a direct link between cardiovascular disease and the risk for dementia, while other studies have shown an association between polluted air and dementia.

After analyzing the data, researchers found long-term exposure to air pollution was associated with a higher risk of dementia.

Because virtually all of the association of air pollution with dementia seemed to channel through existing or developing cardiovascular disease, Grande said, there's even more reason "to reduce emissions and optimize treatment" for those at risk of cardiovascular disease, "particularly for people living in the most polluted areas of our cities. "

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