So-called "first-generation" and "second-generation" antipsychotics are all different in their effectiveness and side effects, new research suggests, and scientists say doctors should prescribe them on a patient-by-patient basis. First-generation drugs--which are older and include such drugs as Haldol--cost less than newer second-generation meds such as Seroquel and Zyprexa. This has caused controversy about whether the more expensive drugs are more effective. But recent research has found that...