A new study published in PLOS Medicine found that increased pollution exposure may be a key driver for risk of Alzheimer’s disease. In a study that examined nearly 27.8 million US Medicare beneficiaries aged 65 years and older over an 18 year time period, it was found that pollution exposure (measured by PM2.5) was associated with a significantly increased risk of Alzheimer’s disease. The research also found that pollution exposure is associated with an increased risk for the development of hypertension, depression and stroke, all of which are independent risk factors themselves for Alzheimer’s and dementia.

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