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February 14, 2025

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Research

The relationship between the gut and brain has an effect on addiction, disease and behavior

Wisconsin Public Radio

Vanessa Sperandio, professor and chair of the medical microbiology and immunology department at the University of Wisconsin-Madison, has studied how the connect between the intestinal system and the brain — called the gut-brain axis — plays into addiction. Sperandio explained that E. coli, the bacterium famous for making people violently ill, always lives in our guts. She found that when there’s an overgrowth of E. coli, a person becomes more susceptible to cocaine addiction.

“If you have an expansion of E. coli … you enhance … cocaine addiction behaviors, cocaine seeking behaviors, cocaine administration behaviors,” she said.

There are countless examples of gut bacteria influencing our lives. Maggie Alexander, an assistant professor of medical microbiology and immunology at UW-Madison, is studying how the gut-brain axis affects autoimmune diseases, where the immune system attacks healthy parts of the body.

“There’s been this really strong connection of microbiota and autoimmune conditions,” Alexander said,

On YouTube, living vicariously through pregnancy announcements

Newsweek

“Social media may be playing a role in pushing the birth rate down, in part by promoting the perception that people should really only have children if they can give those children what we might think of as ‘Pinterest-perfect’ lives,” said Jessica Calarco, an award-winning sociology researcher at the University of Wisconsin-Madison.

Higher Education/System

Outsourcing in Wisconsin state government expands under Evers

The Capital Times

Andrew Reschovsky, a professor emeritus of public affairs at UW-Madison, said sometimes it makes sense for a state agency to contract out services when it doesn’t have the staff or knowledge for the work. Without the outcome of cost-benefit analyses or other information, it is impossible to know when contracting out makes sense without querying each agency, he said.

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UW Experts in the News

Are we in a Constitutional crisis?

WORT FM

We aren’t yet in a constitutional crisis, but we are in the middle of a constitutional revolution, says Howard Schewber, an emeritus professor of political science and legal studies at the University of Wisconsin–Madison. Trump’s barrage of executive orders is radical, according to Schweber, because it denies Congress the authority of its power over the president.

Obituaries