Like many infectious diseases, mathematical models can be used to understand the spread of smoking and to
predict the impact of smokers on the community in order to help reducing the number of smokers. Castillo-Garsow
et al. [3] presented a general epidemiological model to describe the dynamics of Tobacco use and they considered
the effect of peer presure, relapse, counselling and treetment. In their model the population was devided into nonsmokers,
smokers and smokers who quit smoking. Later, this mathematical model was refined by Sharomi and Gumel
[4], they introduced a new class of smokers who temporarily quit smoking. They concluded that the smokingfree
equilibrium is globally-asymptotically stable whenever a certain threshold, known as the smokers-generation
number, is less than unity, and unstable if this threshold is greater than unity. The public health implication of this
result is that the number of smokers in the community will be effectively controlled (or eliminated) at equilibri point if the threshold is made to be less than unity. Such a control is not feasible if the threshold exceeds unity. Later,
Lahrouz et al. [5] proved the global stability of the unique smoking-present equilibrium state of the mathematical
model developed by Sharomi and Gumel. Zaman [6] derived and analyzed a smoking model taking into account
the occasional smokers compartment, and later [7] he extended the model to consider the possibility of quitters
becoming smokers again. Erturk et al [8] introduced fractional derivatives into the model and studied it numerically.
Zeb et al.[9] presented a new giving up smoking model based on the model in [6] for which the interaction term is the
square root of potential and occasional smokers. Van Voorn and Kooi [10] presented a three compartment smoking
model which was studied using brute force simulations for the short term dynamics and bifurcation analysis for the
long-term dynamics. In 2013 [11], we adopted the model developed and studied in [4, 5] and considered the effect
of peer pressure on temporarily quitters. By this we mean the effect of smokers on temporarily quitters which is
considered one of the main causes of their relapse.