Even if the trays are taken out while smoking, the nicotine and tobacco residue that remains in your mouth after smoking can stain your aligners
With an increasing number of governments legalizing recreational use, mainstream acceptance of cannabis is evolving, and the scientific study of cannabis administration to affect psychological and physiological functioning is expanding to include applications in medicine and beyond
Each school received teacher information sheets, pupil information sheets, parent/guardian information sheets, pupil consent forms, and parent/guardian opt-out forms
There had been a steady decline in smoking rates in adults from the mid-1990s, but that decline has leveled off, and rates have held steady over the years 2004-2005.1 The Centers for Disease Control and Prevention has estimated that in the adolescent population about 28%, or 3.1 million, are regular smokers