HealthOne In 10 Non-Drug Users Have Detectable Cocaine Or Heroin On Their Fingerprints Staying clean no longer keeps you safe from testing positive for class A drugs such as cocaine and heroin. Simply touching a drug user's hands already facilitates the transfer of traces that can't be removed even by thorough handwashing.by Charmagne Nojas
Healthy Living/WellnessExperts 3D Print Liver-Like Tissues Fit For Drug Testing And Disease Modellingby Ted Ranosa