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In this Sept. 7, 2020 file photo, students wearing face masks to help curb the spread of the coronavirus walk in line as they arrive at a primary school in Beijing. (AP Photo / Andy Wong, File)

Research suggests vision problems increased among Chinese schoolchildren during pandemic restrictions and online learning, and eye specialists think the same may have happened in U.S. kids. 

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This April 28, 2021, file photo shows the U.S. Capitol building in Washington. (AP Photo / J. Scott Applewhite, File)

Ten years after the 9/11 attacks, Americans were reasonably positive about the state of their rights and liberties. Today, after 20 years, not as much.

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A new study suggests large, urban environments promote lower rates of depression among city residents, in comparison to suburbs and towns, due to the increased daily social interaction cities and the built environment facilitate. (WTTW News)

A new study suggests large, urban environments promote lower rates of depression among city residents, in comparison to suburbs and towns, due to the increased daily social interaction cities and the built environment facilitate.

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(Free-Photos / Pixabay)

Drinking at least one cup of coffee per day was associated with a decreased risk of about 10% when it came to contracting COVID-19, according to a new Northwestern Medicine study.

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(WTTW News)

A study analyzing whether the COVID-19 vaccine prevents infection and spread of the coronavirus among college students has been expanded to include adults ages 18-29, including those who choose not to get vaccinated.

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(WTTW News)

A rare inflammatory condition linked to kids with coronavirus infections is more likely to occur in Black, Latino and Asian children than their white counterparts, according to a new study. “This virus does not affect everyone equally,” said pediatrician Dr. Patrick Seed.

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(HalcyonMarine / Pixabay)

A DePaul University study of nearly 280 long-haulers — people who experience symptoms of COVID-19 months after their initial diagnosis — found that while most of the symptoms improved over time, some lingered or even got worse.

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(WTTW News)

COVID-19 vaccines can include some common side effects like muscle pain and headache. But can they affect menstrual cycles? Researchers are gathering data to find out.

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Richard Biggs, 20, an evolutionary biology major at the University of Colorado Boulder, gets his first dose of the Moderna vaccine from Dr. Laird Wolfe. Biggs is one of the first group of students in a new study to determine if the vaccine can prevent COVID-19 infection and transmission in the student population. CU Boulder students will join 12,000 other college students in the country.  (Photo by Glenn Asakawa / University of Colorado)

More than 20 colleges and universities across the country are looking for students to enroll in a clinical trial to see if the COVID-19 vaccine prevents infection and spread of the virus among them.

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Mass shootings in Atlanta and Boulder, Colorado, have once again brought questions of gun control to the fore. One possibility with Democrats in power in Washington is a revival of a federal assault weapons ban. (WTTW News)

The last assault weapons ban expired in 2004, but a new study finds that had that ban remained in place, as many as 30 mass shootings could have been prevented. We speak with the study's lead author, Lori Ann Post, and Richard Pearson, executive director of the Illinois State Rifle Association. 

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Dr. Igor Koralnik, left, examines a patient. (Credit: Northwestern Medicine)

A Northwestern Medicine study of 100 COVID-19 long haulers found that 85% experienced four or more neurologic symptoms, including “brain fog,” that impacted their quality of life and, in some patients, their cognitive abilities. 

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In this Aug. 15, 2020, file photo, police officers stand beside a mural for George Floyd in the Chicago neighborhood of Bronzeville during an anti-police brutality protest. (Pat Nabong / Chicago Sun-Times via AP, File)

An analysis of nearly 3 million Chicago Police Department patrol assignments found that compared to white officers, Black and Hispanic officers made far fewer stops and arrests — and used force less often — especially against Black civilians. 

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Interspersing native plants with solar panels can benefit pollinators. (Andreas Senftleben / Pixabay)

Incorporating pollinator habitat into large-scale solar installations makes sense for wildlife, but what about the bottom line? Researchers at the University of Illinois at Chicago aim to answer that question.

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(Photo by Mayron Oliveira on Unsplash)

Upwards of 267,000 people have so far died in the U.S. from the novel coronavirus, and experts have fatalistic predictions about more infections throughout the winter. But it’s not just the coronavirus that’s killing people.

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(kfuhlert / Pixabay)

“Communities that have been most negatively affected by COVID-19 are less likely to say they would to vaccinate their children and themselves against COVID-19,” said Dr. Matt Davis of Lurie Children’s Hospital.

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(Photo by Andrew Ebrahim on Unsplash)

Despite a cultural tradition of using family members or friends for early childhood care, many parents in majority Latino communities want to enroll their children in formal child care centers, but are stymied by multiple factors, a new study finds.