Alcohol can be detected in a urine test for up to 24 hours in most cases. The half-life of alcohol is roughly four to five hours. Alcohol is detectable in hair for up to 90 days. Alcohol can be ...

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., ...

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 ...