McGregor has six months of random drug testing to go before being eligible to compete in the UFC again, starting now.

KNOXVILLE, Tenn. — The drug Xylazine — known as "tranq" on the street- ranks among the top five deadliest drugs in East ...

For 40 years, researchers relied on horseshoe crab blood to catch endotoxins in drugs. Now, synthetic alternatives and ...

Woman who failed drug test wants warnings on CBD products She's blaming the CBD gummies she consumes for almost losing her job.