In 2005 the US Centers for Disease Control reported that antidepressants are the most prescribed drug in America. Dr. Kelly Posner from Columbia University reports that 50% of people with depression go untreated (Elizabeth Cohen, CNN).
Several studies have shown that counseling does help people. However, certain people may need a combination of medication and counseling. Studies have shown that the combination of medication and counseling is more effective than one treatment alone for certain illnesses such as depression (http://counseling resource.com/types/effectiveness.html).
James Barbee, MD from LSU has found that in New Orleans there has been an increase in depression and anxiety since Hurricane Katrina (Is New Orleans Having a Mental Breakdown? by Russell McCulley. http://www.time.com/time/nation/article/0,8599,1221982,00.html).