Relation between different journal abstracts

Hi guys, today I write some differences between first and second link.

As you can see both abstracts are extracted from the same page, but their structures are slightly similar.

First abstract contains "design, methods, results, conclusion and keywords"Objective: Gives a short description of the article.Design: Explains how the information was obtained.Methods: Explains the research method.Results: Those review shows that the obesity is a disease wich can be prevent with healthy habits in schools.Conclusion: Present the author's conclusion.Keywords: childhood, prevention, review, adolescents

Second abstract contain "Research Methods and Procedures, Results, Discussion and Keywords"Research Methods and Procedures:  To identify obesity preventive programs.Results: Details the results, helping to understand the multiple factors of obesity.Discussion: Describes causes that positively and negatively influence in the use of obesity control and prevention methods.Keywords: Preschool, children, prevention, interventions, evaluation

In conclusion the main difference between the first and second abstract is the amount of factors considered in these and  the depth of second abstract.

Interventions to prevent obesity in children and adolescents: a systematic literature review 
Interventions to Prevent or Treat Obesity in Preschool Children: A Review of Evaluated Programs