Hi
various diseases especially obesity
To my mind, there are not so many diseases among children today,and so try to focus mainly on obesity as a problem not disease.
whereas,
You need comma before whereas not after.
In this essay, we will
You should avoid such structure of thesis statement in your essays
I did it before as well, it is really bad as it shows that you have a specific structure for all essay.
You could write: There appears to be several reasons behind obesity ,and so the best way to help modern children to avoid it would be to exercises and follow healthy diets.
First of all, increasingly majority of people tend to focus on becoming wealthy rather than being healthy.
If you mention 3 reasons in you paragraph,then you have to state a similar meaning in your topic sentence, because topic sentence reflects the idea for entire paragraph.
In order to curb above said, the emerging detrimental conditions among children, certainly, government should rollout strict rules like standardizing school syllabus to have mandatory extra-curricular activities especially sports.
It is wrong to make such a long sentence as a topic one. You have to focus clearly on your main idea for the solution paragraph.
which pose challenge on children's health which could jeopardize their future.
First, this sentence does not make sense to me. As well as I dont think you can use twice "which" in a row.
Good luck.