Quest Diagnostics Incorporated (NYSE:DGX) is one of the 7 most undervalued pot stocks to buy according to analysts. On June ...

Cheating on drug tests among American workers has reached a 30-year high, with Quest Diagnostics Inc. reporting 31,000 tampered samples out of 5.5 million in 2023. The rise in synthetic urine use ...

An additional 25,000 tests came back as “invalid,” marking a 45% uptick from the previous year. Those tests include samples with additives used to cover up drug use, according to Quest.

When they receive the sample, the lab will test the urine for the 10 different drugs. Some tests offer onsite results that can analyze the urine samples straightaway. However, most samples will go ...