Lies, Damned Lies, and Medical Science (http://www.theatlantic.com/magazine/print/2010/11/lies-damne...)
The Truth Wears Off (http://www.newyorker.com/reporting/2010/12/13/101213fa_fact_...)
Grant System Leads Cancer Researchers to Play It Safe (http://www.nytimes.com/2009/06/28/health/research/28cancer.h...)
Placebos Are Getting More Effective. Drugmakers Are Desperate to Know Why. (http://www.wired.com/medtech/drugs/magazine/17-09/ff_placebo...)
The Cult of Pharmacology: How America Became the World's Most Troubled Drug Culture (http://www.erowid.org/library/review/review.php?p=269)
The Mouse Trap: The dangers of using one lab animal to study every disease (http://www.slate.com/articles/health_and_science/the_mouse_t...)
Why Most Published Research Findings Are False (http://www.plosmedicine.org/article/info:doi/10.1371/journal...)
Mistakes in Scientific Studies Surge (http://online.wsj.com/article/SB1000142405270230362710457641...)
Trials and Errors: Why Science Is Failing Us (http://www.wired.com/magazine/2011/12/ff_causation/all/1)
In cancer science, many "discoveries" don't hold up (http://www.reuters.com/article/2012/03/28/us-science-cancer-...)
Lullaby for a Mouse: Anthropological Observations of an Animal Model of Psychosis (http://vimeo.com/33803995)
Inside the Battle to Define Mental Illness (http://www.wired.com/magazine/2010/12/ff_dsmv/all/1)
There are of course quite a few relevant books as well, but that's probably enough to keep most people busy for a few days. Also, most of these articles are about drug research, medicine, or psychology, but it applies to basically every field.