Generics are made to work the same way as brand-name drugs. They have the same active ingredient and are the same as brand-name medications when it comes to:
➢ The active ingredient in the generic medicine is the same as in the brand-name drug/innovator<u> </u>drug<u>.</u> The generic medicine has the same strength, dosage form (such as a tablet or an injectable), and route of administration (such as oral or topical).
I think it has declined b/c if you look at the smoking standards. in 2005 there was 20.5 percent of population that smoked . there was a decline 2020 it dropped to 14 percent of the population smoked