You must talk about several different things such as;
Sciences – theory can make the wrong kind of sense
– where is the disagreement in science now and why? use various examples
Fracking – look at different political stances (donald trump for example)
The extent to which medical treatment like ADHD has become big business. Why do pharmacies around the world ask doctors to prescribe more and more medicine? Is it for the good of the consumer or to increase profits for pharmacies? talk in depth about all these points