Using MRI, researchers may be able to predict which adults with mild cognitive impairment are more likely to progress to Alzheimer's disease.

In an estimated 40% of research subjects who undergo medical imaging, a significant medical finding unrelated to the study, but meaningful to the person’s health may be revealed.

When utilized in combination, positron emission tomography (PET) coupled with computed tomography (CT) scanning technologies utilized on the whole body may detect cancer in individuals with neurologic complications more accurately than other commonly used tests.

Italian researchers suggest a new type of magnetic resonance imaging may help doctors to distinguish between the effects of normal aging and the preclinical stages of Alzheimer disease.

Per-capita annual effective radiation dose from medical procedures in the United States is among the highest in the world and is estimated to have increased sixfold between 1980 and 2006.