<u>Answer</u>:
Cameron has been very stressed during harvest season while working on farm equipment in the evenings and harvesting the crops during the day. He comes down with the flu the day after his last field is harvested. The reason for his illness is likely that Cameron’s stress hormones suppressed the activity of Lymphocytes.
<u>Explanation</u>:
Immune system is the collection of billion number of cells that travel through our bloodstream. They defend our body against bacteria and viruses. White blood cells are the main immune cells in our body.  
When a person gets stressed, the immune system's ability to fight gets reduced. The stress hormone “corticosteroid” suppresses the efficiency of the 'immune system' by reducing the number of "Lymphocytes". Lymphocytes are of two types:
a.  "B cells" which produce antibodies and are released in the "fluid" surrounding the body cells.  
b.	"T cells" which gets locked to the 'infected' cell and destroy it.
 
        
             
        
        
        
The complex and fluid interaction between an individual and risk / protective factors in one or more domains have been defined as the Web of influence of causality.
<h3>
What is the complex and fluid interaction?</h3>
The complex and fluid interaction between an individual and risk/protective factors in one or more domains has been described as a coherent pattern and draws from the ecological perspective of Bronfenbrenner, Now widely accepted in public health approaches. No single factor influences people's behavior instead the complex interaction between an individual and an environment is a process that, taken together, influences behavior. Contributors to the behavior of individuals/ Ecological Model are Individual factors such as Social, cultural, Socioeconomic, structural factors Political factors and Environmental factors.
To learn more about risk/protective factors, visit;
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-The Eastern front was more mobile 
-The Western front used more trench warfare
-France and Great Britain were fighting Germany on the Western front 
-Russia and Serbia were fighting Austria-Hungary on the Eastern front
-The Western was mainly in France and Eastern in Russia
        
             
        
        
        
The view that social change arises due to the inequalities between the haves and the have not is based on social cognitive theory of change.
<h3>What is social cognitive theory?</h3>
Experiences of individuals, other people's acts, and environmental circumstances all have an impact on one's health practices, according to the theory of social cognitive. 
It claims that we learn from others by observing them. This statement states that seeing others in social interactions contributes to a person's knowledge.
Inequalities between haves and have-nots lead to change. Furthermore, according to this viewpoint, dominant organizations tend to utilize their authority to exploit others who do not.
Learn more about social cognitive theory, here:
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