In 2019, a urine screen tested negative for drugs but one day later, a hair ... of hair follicle testing to include a longer detection window and the ability to assess historical drug use patterns.

However, M.K.’s hair follicle drug test returned negative results on all panels. This is D.R.’s Forensic Fluids Lab report ...

Claressa Shields is hitting back with new negative results after facing suspension for initially testing positive for ...

In 2019, a urine screen tested negative for drugs but one day later, a hair ... of hair follicle testing to include a longer detection window and the ability to assess historical drug use patterns.