Human smokers inhale smoke voluntarily and therefore do so more deeply than do animal test subjects which typically adopt short, shallow breaths when exposed to smoke
So its the law of the land currently
The most common ones include spliff, weed, pot, dope, skunk, doobie, ganja, and Mary Jane
Recommendations for stakeholders Manufacturers: Invest in transparent batch testing and easily accessible technical datasheets
This research provides yet more reasons why people should aim to stop smoking this new year, and adds justification to increase support for people trying to quit." The new study used data from the English Longitudinal Study of Ageing (ELSA), consisting of a nationally representative sample of 8,780 people aged 50 years and older in England