What is an example of a good hook for an essay

The only infectious disease that was a top-ten killer of americans in 1900 that is still a top-ten killer in 1990 is hiv/aids select one: true false

Peter's doctor calculated his body mass index (bmi) and determined that his fat-to-lean tissue ratio was a bit too high. which of the following should peter increase in his weekly schedule to specifically address this issue?

Will you get autism from being lonely?