Marijuana specifically refers to cannabis products that are made from the dried flowers, leaves, stems and seeds of the cannabis plant.
As the Substance Abuse and Mental Health Services Administration points out, federal employees and employees in many other safety fields have the right to have a second lab test their specimen if they receive a positive result

in particular with concomitant gastroduodenal pathology;cardiac disturbances;depressive disturbances;Parkinson's disease and Parkinson's disease-like pathology;temperature disturbances;bone impairments;hypertension-induced various organ damages;disturbances of coagulation;pain disturbances;convulsion disorders;spinal cord injury;alcohol injuries, induced by alcohol abuse or increased alcohol intake;brain ischemic disorders;peripheral nerve injuries;cataleptic disorders and neuroleptic disturbances;disorders related to abnormal or mutant lymphocytes;disturbances of fetuses;vaginal atrophy and osteoporosis development caused by ovariectomy conditions;tumors;viral diseases, in particular AIDS or ARC;gastrointestinal lesions;cognitive disorders;withdrawal disturbances;kidney disturbances anddisturbances in cellular immune response
Aids nerve repair and gives your brain some protection as you recover
Hydroxocobalamin may also be given intravenously in certain scenarios (for example, 5 g IV for acute cyanide poisoning antidote therapy), but such high-dose use is in emergency settings and distinct from routine deficiency treatment
Not a medical, cosmetic or household product