The appearance of marijuana adulterated with other substances is often indistinguishable from unadulterated cannabis to the naked eye. Visual cues, such as unusual crystalline structures, excessive stickiness, or an atypical odor, can sometimes indicate tampering. However, these indicators are not definitive, and laboratory testing is the only reliable method to determine the presence of foreign chemicals or materials within the cannabis.
Understanding potential adulteration is crucial for mitigating health risks associated with the consumption of cannabis. Historically, concerns about laced products stem from instances where individuals experienced unexpected or amplified psychoactive effects, leading to anxiety, paranoia, or other adverse reactions. The lack of consistent regulation and varying degrees of purity in the illicit market contribute to these anxieties.