When it comes to marijuana smoke, the story isn't as clear-cut
11 Research published in the International Archives of Allergy and Immunology confirmed that "vitamin D is required to maintain the stability of mast cells" and that "deficiency of vitamin D results in mast cell activation." 12 Vitamin D stabilizes mast cells through several mechanisms: Supports a healthy inflammatory response by reducing production of pro-inflammatory cytokines (IL-6, TNF-alpha) Further supports a healthy inflammatory response by promoting release of anti-inflammatory cytokines (IL-10) Influences mast cell apoptosis (programmed cell death), helping regulate overall mast cell numbers Modulates inflammatory signaling pathways like MAPK and NF-B Clinical observation : I've noticed that approximately 90% of people with mast cell activation issues who aren't supplementing with vitamin D have low levels
Nicotine & Tobacco Research 18(5):720723
There didnt seem to be any readily apparent reason, such as damp tobacco, but both had trouble staying lit after resting for more than 30 to 45 seconds
In 2016, a total of $9.5 billion were spent on adverting and promotion by the cigarette companies ($8.7 billion) and smokeless tobacco companies ($0.8 billion) in the United States 34,35
I can even hear now the loud chorus for someone to get out the stage hook on that one