Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON — A formal lab test of the white substance found at the White House on Sunday has come back positive for cocaine, ...

The UNC Street Drug Analysis Lab anonymously tests substances to see if they are laced with outside substances, like fentanyl. Scientists then upload the results onto their website, which can be ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: Preparing properly for lab tests helps ensure your results are accurate and reliable. Some tests — ...

(CNN) — Lab testing for the substance found at the White House on Sunday has come back positive for cocaine, a spokesman for the Secret Service told CNN. Previous field testing showed a positive ...

insights from industryBill Kotowski & Suja SukumaranRegional Sales Manager & Product ManagerThermo Fisher Scientific In this interview, News-Medical Life Sciences speaks with Bill Kotowski, Sales ...

The potential biological materials were in a locked garage, authorities said.

The CEO of a cannabis testing company with a lab in Michigan said substances that could be harmful to consumers have been found in cannabis oil used in edibles and vape pens and is calling out ...