Not everyone in Salem supported the witch trials. Wealthy farmer John Proctor sternly denounced the proceedings and warned against listening to the young girls.
Amphetamines - Substances or Conditions which can cause false positives. Ephedrine, pseudoephedrine, propylephedrine, phenylephrine, or desoxyephedrine (Nyquil, Contact, Sudafed, Allerest, Tavist-D, Dimetapp, etc) Phenegan-D, Robitussin Cold and Flu, Vicks Nyquil Over-the-counter diet aids with phenylpropanolamine (Dexatrim, Accutrim)
National laboratories state that the EMIT test is wrong 25% to 30% of the time, and can result in false positives from legal substances up to 38% of the time! Antibiotics: Certain antibiotics such as Penicillin and Tetracycline can cause false positive drug test results for heroin or cocaine.