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Background :Obesity has been documented as an emerging important public health problem ; and few studies has been carried out to explore the role of infection as an environmental factor in a concept known as infect obesity , taking an example of Toxoplasma gondii infection in obesity pathogenesis.
Objective : The aim of current study was to show the role of Toxoplasmosis as a causal factor of obesity .
Subjects and Method : Randomly collected 276 subjects attending North oil company outpatient clinic were selected to be enrolled in the study, male to female ratio was 1:1 , their BMI was measured and calculated per WHO criteria .
Serum of all the included subjects was tested of according to available tests following the agreement of the participants on the informed concept .
Results: Out of 276 subjects of both sex in a ratio of 1:1 were included in the study , female had higher infection than male ; the highest infection rate was among low educational level (primary school ) 59% ;the obese with BMI >30 had highest infection rate ( 37%) and IgG level was higher than IgM in both groups .
Conclusion : It was concluded that their was positive causal relationship between obesity and Toxoplasma infection.