When smoke-laden air gets cycled through that system repeatedly, the residue coats the inside of your ducts, your air handler, and your air filter
If local authorities consider you a citizen of Spain, they may refuse to grant you access to Canadian consular services
However, long-term smokers might need additional treatment to help regenerate hair, such as a graft or hair transplant
In other words, vapes can deliver less nicotine than a cigarette or more, and the honest answer to "which is stronger" is: it depends on what you are vaping and how you vape it
However, nicotine or nicotinic agonists, as discussed above, may have significant therapeutic potentials including COVID19 [37, 38, 51, 58]