WASHINGTON (AP) — Makers of medical tests that have long escaped government oversight will have about four years to show that their new offerings deliver accurate results, under a government rule ...

Two cannabis testing laboratories on Tuesday debuted a new program to standardize protocols for testing the purity and potency of marijuana products. The new standardization program, dubbed Trust in ...

Michigan regulators and the state’s largest marijuana safety testing lab are at odds. When customers purchase marijuana off shelves, the Cannabis Regulatory Agency (CRA) has questioned whether the THC ...

If your cancer lab test isn’t valid, wrong results could mean you don’t get a drug that could save your life. Or it could mean you take a drug that won’t help you but will bombard you with side ...

Review & Outlook: CDC director Rochelle Walensky says she’s going to reshuffle the agency with an emphasis on 'action' and 'equity.' Her diagnosis and prescription are both wrong. Images: ...