I did find out that it was roughly 1970 when it first appeared, and by the mid 70s it remained modestly popular
If you havent been keeping up with us, then here's a quick recap: The 'Mysterious Vaping Illness' in the US quick recap In August 2019, the Centre for Disease Control starts to investigate into vape-related illnesses
To avoid canoeing, distribute your flower evenly when rolling, and don't skip the packing step
[67] All other clinically indicated respiratory infectious disease testing (e.g., urine antigen for Streptococcus pneumoniae and Legionella, sputum culture if productive cough, bronchoalveolar lavage culture if done, blood culture, human immunodeficiency virusrelated opportunistic respiratory infections if appropriate) must be negative and [67] No evidence in medical record of alternative plausible diagnoses (e.g., cardiac, rheumatologic, or neoplastic process)
These devices can contain lithium batteries, which airlines consider a fire risk