Respiratory and cutaneous reactions to cannabis are common in police workers

Respiratory and cutaneous symptoms after exposure to cannabis plants are commonly reported by police and forensic workers, but evidence from challenge testing is lacking. This paper reports the results from 81 symptomatic workers dismantling illegal cannabis plantations or collecting forensic evidence. Basophil activation tests with a crude cannabis extract and rCan s 3 were negative, making an IgE-related mechanism to these antigens unlikely. Positive basophil activation tests to cannabis antigens have been described previously.

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