Plan B is one of two emergency contraceptives available in the U.S. UPI/Landov hide caption

itoggle caption UPI/Landov

Perch exposed to the anxiety drug oxazepam were more daring and ate more quickly than fish that lived in drug-free water. Courtesy of Bent Christensen hide caption

itoggle caption Courtesy of Bent Christensen

Shoppers buy smuggled counterfeit drugs at the Adjame market in Abidjan, Ivory Coast, in 2007. Issouf Sanogo/AFP/Getty Images hide caption

itoggle caption Issouf Sanogo/AFP/Getty Images

Triaminic syrups and Theraflu Warming Relief syrups have been recalled by manufacturer Novartis. Courtesy of the U.S. Consumer Product Safety Commission hide caption

itoggle caption Courtesy of the U.S. Consumer Product Safety Commission

A package of microwave popcorn promoting Johnson & Johnson's antipsychotic drug Invega back in 2008 would have been a no-no at many medical schools. Nurse Ratched's Place hide caption

itoggle caption Nurse Ratched's Place

Students at the University of Washington used a protein-folding program initially funded by the Defense Advanced Research Projects Agency to come up with a treatment for celiac disease. DARPA hide caption

itoggle caption DARPA

The number of new drug shortages each year in the U.S., from 2001 through Dec. 21, 2012. University of Utah hide caption

itoggle caption University of Utah

Brain scans using Amyvid dye to highlight beta-amyloid plaques in the brain. Clockwise from top left: a cognitively normal subject; an amyloid-positive patient with Alzheimer's disease; a patient with mild cognitive impairment who progressed to dementia during a study; and a patient with mild cognitive impairment. Slide courtesy of the journal Neurology hide caption

itoggle caption Slide courtesy of the journal Neurology