Too much light at night may be bad for our brains, research out this week suggests.

Unsurprisingly, they also found that more exposure to air pollution was linked to greater stroke risk.

This data allowed them to track the health outcomes of nearly 30,000 people for up to six years.

A nighttime view of New York City’s Times Square in November 2012.

A nighttime view of New York City’s Times Square in November 2012.Image: elbud (Shutterstock)

About 1,280 people developed cerebrovascular disease during the study period, including more than 900 cases of stroke.

News from the future, delivered to your present.

Experts say its complicated.

The Milky Way above ESO’s Paranal Observatory.

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US Supreme Court Associate Justices Samuel Alito, Clarence Thomas and Brett Kavanaugh share a laugh while waiting for their opportunity to leave the stage at the conclusion of the inauguration ceremonies in the Rotunda of the US Capitol on January 20, 2025 in Washington, DC.

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U.S. President Donald Trump speaks to the media during a guided tour of the John F. Kennedy Center for the Performing Arts before leading a board meeting on March 17, 2025 in Washington, DC.

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Alicia Witt in Urban Legend

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U.S. President Donald Trump speaks to the media during a guided tour of the John F. Kennedy Center for the Performing Arts before leading a board meeting on March 17, 2025 in Washington, DC.

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An image of a hand holding a black vape with a vibrant blue chamber where you can faintly see a laser.

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