February 4, 2013 Some people with damage to a specific region of the brain called the amygdala do not feel fear. If you make them handle a snake or show them a scene from a scary movie such as The Shining, they won't be affected. But breathing in air with high levels of carbon dioxide can send them into a panic.
February 4, 2013 A study in South Africa finds that an experimental vaccine against TB didn't help protect infants very much against either infection with TB or development of disease. The results were a setback, but researchers say the field remains promising.
February 3, 2013 Johns Hopkins Hospital is using disinfecting robots to kill dangerous drug-resistant bacteria in its hospital rooms. Since it began using the machines, the hospital has seen the number of untreatable infections fall by a stunning 64 percent.
February 2, 2013 With limited options, some Americans are willing to pay thousands of dollars for stem cell replacement therapy. But the Food and Drug Administration, as well as many scientists, have concerns about its safety and argue more research and oversight is needed.
February 1, 2013 Drug-resistant tuberculosis is on the rise worldwide, but identifying the disease has been difficult and time-consuming. Touted as a "game changer" in the fight against TB, a new tool cuts diagnostic times from weeks to hours and doesn't require a lab.
February 1, 2013 Triaminic and Theraflu syrups and "warming liquids," the products implicated in the latest recall announcement, contain acetaminophen and diphenhydramine. But kids were able to open the childproof caps on the products, presenting a risk of poisoning.
February 1, 2013 Under the proposed rule, employees at nonprofit religious organizations would get access to no-cost contraception, but their employer wouldn't pay for the coverage. The move is another attempt to provide contraceptive coverage without violating the beliefs of religious nonprofits.
February 1, 2013 In the early days of the NFL, the average lineman weighed 190 pounds. Now they average 300 pounds. A look at the physics behind a tackle shows that bigger and faster players means harder slams to the turf and more severe injuries.
February 1, 2013 Some organizations have objected to the health care overhaul's rules, saying they violate religious freedom.
February 1, 2013 Most medical schools have cut down on students' interactions with the pharmaceutical industry by instituting gift restriction policies. These policies can reduce the prescribing of newly marketed drugs in favor of cheaper options.