Use a Home Drug Test Kit to Check Your Child's Saliva for Cocaine and Cannabis

A disposable pass drug test, developed by Brit boffins, allows parents to check whether their wards have been taking cannabis or cocaine by analysing a droplet of their saliva. The Vantix sensor was developed to help police carry out speedy roadside drug-driving tests, but it could just as easily be used by parents who are worried their children are taking drugs. "It is controversial but the test can be used in the home for worried parents to test if their children are taking drugs.