Ouch: each year, more than 500,000 Americans seek care for kidney stones. Here's the story of one man's second—and how he's preventing any more.

Share on Pinterest Illustrated by Jason Hoffman Some causes of flank pain, such as a kidney infection, are very serious. Others, including muscle tension or stiffness, can be painful but are ...

Some mild symptomatic cases may also clear on their own, but there are risks associated with an untreated UTI, including recurrent infections, kidney injury, and pregnancy complications. Even with ...