Though they are common additives in food and believed to be safe for ingestion, they are also used to make things like antifreeze, paint solvents and artificial smoke in fog machines which are dangerous when inhaled
This is because THC is stored in fat cells and slowly released into the bloodstream over time
Therefore, you need to pack them accordingly
There are also some countries where they are selling 30 cigarettes in a box of cigarettes, but this is a very low ratio and is used in exceptional cases compared to normal
Although many of these effects have been attributed to nicotine and possible synergistic effects of nicotine with flavorings, PG and VG aerosols may also contribute to the mucociliary dysfunction induced by e-cigs
Being a 'dual user that is, someone who smokes both cigarettes and e-cigarettes is more harmful than using either alone