People look at homes and businesses destroyed during Superstorm Sandy on Tuesday in the Rockaway section of Queens, N.Y. Spencer Plat/Getty Images hide caption

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Researchers at New York University Hospital worry the mice they use to study human disease may have perished in the flooding caused by Superstorm Sandy. iStockphoto.com hide caption

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Hurricane Sandy's tear across the Caribbean left at least 54 dead in Haiti, where many people still live in tents because of damage from the 2010 earthquake. Thony Belizaire/AFP/Getty Images hide caption

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Two boys study together at a Chicago yeshiva in 2009. Public health officials say this type of close physical contact caused a mumps outbreak to spread throughout several orthodox Jewish communities in and around New York City. M. Spencer Green/AP hide caption

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The secret to making something low-fat taste good and keep us fuller longer may be in its thickness. iStockphoto.com hide caption

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Dr. Esther Dalizu holds a pack of Coartem Malaria drugs in a pharmacy in Nairobi, Kenya, last year. Sayyid Azim/AP hide caption

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Ambulances line up outside New York University Langone Medical Center to evacuate patients after backup generators failed when Sandy knocked out power in Lower Manhattan Monday. John Minchillo/AP hide caption

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Republican presidential candidate Mitt Romney speaks about the Supreme Court ruling on health care in Washington on June 28. Charles Dharapak/AP hide caption

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Students at Georgetown University School of Medicine prepare to meet with an actor playing a patient in an exam room in March. Kevin Wolf/AP hide caption

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David Ozanich smoked outside the Live Bait bar in New York City in April 2003, a few months after a ban on smoking in bars and restaurants took effect. Diane Bondareff/AP hide caption

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In Washington's Columbia Heights neighborhood, Claire Robertson, a grad student, talks with Scott Hensley about retail health clinics. David Schultz/NPR hide caption

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People try to get through the aisles at Whole Foods Market in Midtown in New York on Sunday before the storm. Timothy A. Clary/AFP/Getty Images hide caption

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