NPR

Why do some people get UTIs over and over? A new report holds clues

A new study looks at how urinary tract infections can affect DNA. And down the road that could lead to new treatments for the millions who get UTIs.
Microscope images of urinary tract cells from mice that were not given a UTI (naive) and those that were susceptible to recurrent UTIs (sensitized). Cells are outlined in green and the DNA in each cell glows blue. The cells susceptible to recurrent UTIs are smaller.

Willa Rubin is a 26-year-old high school teacher in San Antonio, Texas, and like millions of other women, she suffers from recurrent urinary tract infections.

"It's really painful. It's one of these situations that you just can't really ignore. It's sort of on the front of your mind until it goes away."

Between 50 to 60% of women will experience at least one urinary tract infection (UTI), in their life. And about a quarter of women suffer from recurrent UTIs, defined as having at least 2 in 6 months or 3 in a year.

"I think the average for me would be like you know, four a year," Rubin says. "In college, there was a year where I think

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