The 4/20 holiday is this weekend. And if you choose to celebrate, please do so safely. But also, in states like Texas — where the substance is still illegal — it's essential to be wary of a drug test ...

According to an article published by WebMD in 2012, there are different types of toxicology tests. For this article, we are talking about forensic toxicology testing, or toxicology tests that are ...

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