Nicotine itself could clear from your body in a few hours, but its byproduct can linger for days or weeks. Most nicotine tests detect cotinine, which can show up in urine, saliva, blood, hair, and ...

Health officials hope the additional testing will help identify disease and drug trends more quickly. Measles testing began in mid-July, while opioid and nicotine testing started nine months prior.

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Questions are swirling around the use of semaglutide, commonly sold under the brand name Ozempic, for weight loss. CBC’s ...