الفهرس 
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Abstract
Addiction is a medical condition characterized by
compulsive engagement in rewarding stimuli, despite
adverse consequences (Angres & Bettinardi-Angres,
2008). It is considered a disorder of the brain’s reward
system which arises through transcriptional and epigenetic
mechanisms and occurs over time from chronically high
levels of exposure to an addictive stimulus (Ruffle, 2014).
Recently, there has been an interesting clinical and
scientific shift in perspective with many believing that
addiction should encompass the compulsive engagement in
activities such as smoking, Internet use, and gaming, in
addition to its conventional relation with pharmacologic
rewards (Grant et al., 2006).
Many studies have been completed to try to ascertain
the prevalence of substance and behavioral addictions and
the co-occurrence of two or more addictions. All of them
suggested that addictions are sharing a similar
neurobiological vulnerability.
This study is considered a comparative observational
cross sectional study aiming to assess the frequency of
nicotine dependence, food addiction and eating disorders
among the selected sample. Also, it is aiming to assess the
essential risk factors on food addiction, eating disorders
and nicotine dependence. Finally, it aims also to compare
the frequency and co-occurrence of food addiction and
Summary
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eating disorders versus nicotine dependence among the
selected sample.
All subjects of the study were compared according to
Socioeconomic Status scale, Fagerström Test for Nicotine
Dependence, Yale Food Addiction Scale and Eating
Disorder Examination Scale. There were also other
questions describing the pattern of tobacco smoking.
It was found that the frequency of nicotine dependence
is within (and sometimes less than) the global prevalence
found in recent studies through the different forms of
tobacco smoking.
Meanwhile, food addiction and eating disorders are
currently with in previous Egyptian studies.
It was found that gender, type of faculty and
socioeconomic status play an effective role in severity of
nicotine dependence and food addiction however they are
not related to eating disorders. However age as a risk factor
couldn`t be assessed due to the narrow age range between
the students.
It was found that there is positive correlation between
food addiction, eating disorders with nicotine dependence
which proves that addictions are sharing a similar
neurobiological vulnerability.