Genetics

Study finds mutations linked to relapse of childhood leukemia

After an intensive three-year hunt through the genome, medical researchers have pinpointed mutations that leads to drug resistance and relapse in the most common type of childhood cancer—the first time anyone has linked ...

Medical research

New study explains duality of longevity drug rapamycin

A Penn- and MIT-led team explained how rapamycin, a drug that extends mouse lifespan, also causes insulin resistance. The researchers showed in an animal model that they could, in principle, separate the effects, which depend ...

Psychology & Psychiatry

Digital device overload linked to obesity risk

If your attention gets diverted in different directions by smartphones and other digital devices, take note: Media multitasking has now been linked to obesity.

Cardiology

Lower mortality seen for cardiac care at top-ranked hospitals

(HealthDay)—Compared with nonranked hospitals, top-ranked hospitals have lower 30-day mortality but similar or higher readmission rates for cardiovascular conditions, according to a study published online Nov. 28 in JAMA ...

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