The following chart shows how likely it is for urine alcohol levels to show up in EtG tests based on how much alcohol you consume and how much time passes after your last drink.

The participants’ urine and blood samples had been collected twice, six months apart. The participants had also been asked — up to six times during the one-year study period — to record ...

Molecules in urine and blood can reveal how much of a person’s diet comes from ultra-processed foods, according to a study published in PLOS Medicine today 1. The paper suggests that these ...