The discoloration happens due to several factors in cannabis smoke, including: Tar and resin : These dark, sticky substances adhere firmly to tooth enamel, much like tobacco smoke does
However, as cigarettes are primarily included for reference and most regulations for cigarettes are covered by the TPD, only regulations that go beyond the TPD requirements are highlighted, along with the current taxes on cigarettes
"Here in Wilson, North Carolina, the largest bright leaf market on Earth," Philips said
Potential harms and benefits
You see people my age that just look ghastly
It is a type of radiation that is produced by the sun and some artificial sources