To sum up, obesity is an increasingly worrying issue, affecting both children and adults.
A) Generalizing(reminding the problem one more time)
Unless something is done to reduce the overweight among societies and make them think about their health regularly, people will continue suffering from it.
B) Solution + [if not] negative result
As I see it, governments, parents and employers all have a role in tackling this problem.
D)Final opinion / Suggestion
USEFUL CHUNKS [phrases] WHICH CAN BE USED IN PARAGRAPHS INTRODUCTION: These days … / In the last decade…/Recently …/There is no doubt that …
MAIN BODY I [PROBLEMS]: One reason is that … / One of the problems is that …/One of the main causes of the problem is that …/ Another issue is that … /Another cause of smth is that …/ Another problem is that ../ A third cause of smth is that …/ Further problem is that …/ The next issue is that…