Despite concerns of radiation exposure, the use of CT scans is on the rise. There's also an increase in patients receiving MRIs and ultrasounds. Researchers have been following millions of patients from six large HMOs from the time period 1996-2010. In an average year, $100 billion is spent on medical imaging. The results found that patients had ...

An article this week comes to us from the University of California at Irvine that may hold the secret to dramatically decreasing radiation doses for CT and PET scans. The mathematicians behind this innovative idea ''have developed an algorithmic method that would slash by nearly 90% the raw data needed to create life saving medical images ...