A Fractional Model for the Dynamics of Smoking Tobacco Using Caputo–Fabrizio Derivative

Table 1

Description of variables and parameters.

Variables/parameters	Description	Value
	Density of people exposed to secondhand smoker
	Density of people exposed to thirdhand smoker
	Smoker
	Quitter
	Rate of healthy people to
	Rate of healthy people to
	Natural death rate
	The exit rate of to healthy people
	The exit rate of to healthy people
	The exit rate of to healthy people
	Death rate as a result of member of
	Death rate as a result of
	Infection rate from to
	Infection rate from to
	Exit rate from to
	Infection rate from to