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BY Anna-Louise Jackson

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In the 1980s, an egg sizzling in a frying pan warned us what our brains looked like on drugs. Today, scientists are just starting to uncover what our brains look like on plastics and pollution. Spoiler: It’s also not great.

Recent research reveals that our brains are becoming increasingly littered with plastic particles. In fact, The Washington Post reported last week that several new studies show a similarly alarming impact from polluted air.

One study, published in April in The Journal of Nutrition, Health, and Aging , identified evidence that pollutants are linked to increased dementia risk and reduced brain volume. The researchers further identified a connection between air pollution and accelerated biological aging, which is linked to a higher dementia risk.…