Diseases, Conditions, Syndromes

Mysterious outbreak of bone-eating TB resembles an ancestral form

Tuberculosis is usually encountered as a disease of the lungs, but in 2% of cases in the U.S. it can also be found in the bones. The 9,000-year-old skeletons of some Egyptian mummies show signs of having tuberculosis infection ...

Medical research

When macrophage digestion goes wrong

The exchange of gases between the air we breathe and our blood takes place via alveoli—tiny air sacs in our lungs. For this process to run smoothly, the epithelial cells of the alveoli produce a substance called "surfactant" ...

Oncology & Cancer

New injectable gel offers promise for tough-to-treat brain tumors

Like the hardiest weed, glioblastoma almost always springs back—usually within months after a patient's initial brain tumor is surgically removed. That is why survival rates for this cancer are just 25 percent at one year ...

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