The concept of drug testing is nothing new. Since the 1980’s, employers have drug tested employees and candidates to avoid hiring drug users. Since then, drug testing has become more and more common.

Ask us about COVID-19: What questions do you have about the coronavirus and vaccines? This is one of a series of articles in which reporters from WHYY’s Health Desk Help Desk answer questions about ...

Stellenbosch University provides funding as a partner of The Conversation AFRICA. Laboratory testing plays a critical role for diagnosis of COVID-19. It’s the cornerstone of the global public health ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...