Any plant material burned at high temperature releases carbon monoxide (CO), fine particulate matter (PM2.5), polycyclic aromatic hydrocarbons (PAHs), and volatile organic compounds (VOCs).1 A comprehensive review published in Foods (2022) confirmed that herbal cigarettes produce tar and carcinogens at levels comparable to conventional tobacco, despite the absence of nicotine.2 The key combustion byproducts present in all herbal smoke include carbon monoxide, which binds hemoglobin and reduces oxygen delivery to tissues
If there are pockets of extra moisture in the leaves, either due to being slightly thicker or near to a vein, it can cause some of the chlorophyl to be locked in and keep its colour
If you strike this single fascicle with the needle, the potential damage is substantial
The grass and earth seemed present on the draw, while the spice was more present on the after-draw/finish
Eosinophilic or autoimmune esophagitis This type is often related to having allergies, though acid backup from your stomach can also be the culprit