For decades, America’s trucking industry has operated under one of the strictest workplace drug testing systems in the ...
The Department of Transportation on May 1 filed a 227-page Final Rule that allows oral fluid as an authorized testing method for the presence of unlawful drugs, giving fleets the option to subject ...
Researchers have discovered that by changing two components of the media used to culture the cells, they can make liver cancer cells behave more like normal liver cells. Rather than using standard ...
Although marijuana is still a Schedule I substance and illegal under federal law, many states have legalized its use in recent years. A Pew Research Center analysis found that 54 percent of Americans ...
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