Topic Gender differences in Alzheimer disease in USA

I want nice introduction that make my research interest the readers ( start with an interesting sentences).
Alzheimer is not a sociological problem ,so we have to add (prevalence).
people with Alzheimer in USA
Who are they? what they do?what are their socioeconomic statues , what is the problem with them, what seems to be a pattern in there situation all this I want to be from sociological stand of point .. please end the introduction by a topic sentence stating "this paper will examine..."
and discuss what you wrote as a topic sentence,,you have to explain what in the papers. get the pattern you discovered from the resources