A state forensics laboratory in a Bay Area county alerted prosecutors that urine tests conducted between 2016 and 2025 may have resulted in inaccurate alcohol readings.

How long alcohol stays in your system depends on factors such as age, weight and medications. Breath tests detect alcohol within 24 hours and urine tests measure within at least 12 to 24 hours. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Drinking by the pool or at a barbecue can be tempting, but it's important to stay safe amid summer fun. Every day in the U.S., ...