Study of factory workers in China is extreme example of exposure, researchers warn, but it is the first to look specifically at the effect of BPA on humans.
Video: Lauren Johnson of Virginia has been unable to stop sneezing for more than two weeks. Today's Ann Curry talks to Lauren, her mother Lynn Johnson, and NBC's chief medical editor, Dr. Nancy Snyderman, about the condition.
Video: While people across the U.S. wait in long lines for swine flu vaccine, the shots arrive on Wall Street. Firms like Citigroup and Goldman Sachs are receiving doses.