The science behind vitamin D’s relationship to the immune system is still sticky, so get the vaccine.

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Photo by Michele Blackwell on Unsplash

When news broke this fall of a study out of the University of Chicago that found an association between low vitamin D levels and a positive COVID-19 status, my eyes darted across my screen, and then up to my trusty vitamin D pills on the kitchen counter. Like many people who got wind of this new research, I wondered: were those simple little supplements really a safety net between me and the pandemic?

A few weeks later, another study out of the Tehran University of Medical Sciences was bold enough to claim sufficient vitamin D levels were associated with less…


Users may welcome the update to personalize automated insulin dosing, but they still await a cure.

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Illustrations and graphics by Taisa Kushner, Ph.D.

The Minnesota state fair almost killed Jamie Marshall at age 14. After sampling countless fried foods on a stick, he couldn’t walk. “My friends gave me a hard time,” he says, “but I was probably close to dying.” Within days, he was diagnosed with type 1 diabetes.

Now 28, Marshall lives in Minneapolis, Minnesota. As he recalls that day at the fair, fear and trauma envelope his face. Unfortunately for Marshall and the nearly 1.6 million Americans with type 1 diabetes, a cure remains elusive. But hybrid closed-loop automated insulin delivery (HCL-AID) systems first hit the market in 2017, using…


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Photo by Jessica Deere

When Hurricane Irma slashed through Florida, she sent millions of gallons of raw sewage roiling into residential areas across the state. City workers scrambled to contain the putrid mixture, but it was like catching smoke with bare hands — especially considering this sludge’s hidden dangers.

Sprawling effluent is already unsettling, but scientists now know this gushing goop also carries traces of our pharmaceuticals and personal care products. Extreme weather events remind us how fragile our nation’s wastewater management systems are in the face of climate change, but few of them even remove medical contaminants to begin with.

Despite a lack…

Carolyn Bernhardt

MA student in Science Writing at Johns Hopkins with an interest in the health of animals, people, and the environment.

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