The four leading tobacco companies were all threatening legal action, saying the images would unfairly hurt their property and free-speech rights by obscuring their brand names in retail displays, demonizing the companies and stigmatizing smokers
Nucleic Acids Res
This is later reflected by Donna Hayward (Lara Flynn Boyle) at the beginning of season two, transitioning from a somewhat quiet and conservative girl, to someone who dons a sultry demeanor, smoking a cigarette despite never having used tobacco before
When used orally, the breakdown products of PG include acetic acid, lactic acid, and propionaldehyde, which are all toxic to enamel and soft tissue
Caustic chemical burns are seen in patients who place strong household products (bleach, denture cleaners, hydrogen peroxide mouthrinses, alcohol-heavy folk remedies) directly on the gums, often hoping to treat an ulcer or sore spot