Scientists are using MRI scans to understand how mental illness shows up in the bran. But new research raises concerns that existing studies are not reliable because the sample sizes are too small.
A neurologist who wanted to know how the brain changes in response to a physical disability put his arm in a pink cast for two weeks to find out.
Groupon and other deal sites are the latest marketing tactic in medicine, offering bargain prices. But critics say pursuing such discounts can also entail getting unnecessary or duplicative services.
Critics worry that the administration's delays come at a steep cost: Medicare continues to pay for millions of unnecessary exams and patients are being subjected to radiation for no medical benefit.
MRI scans of the brains of young football players suggest that repeated blows to the head can change the shape of nerve fibers in the corpus callosum, which connects the two halves of the brain.
MRI and CT scans done at hospitals for outpatients are often too expensive, says the firm, which insures patients in 14 states. The shift in policy won't apply to mammograms or X-rays, Anthem says.
To study dogs' brain activity, scientists had to train canines to hold absolutely still for eight minutes without restraint. But how do you get a dog to freeze that long inside a clanging MRI scanner?
A big study suggests that radiologists vary widely in their assessment of density, a risk factor for breast cancer. And density is just one component of breast cancer risk, the researchers underscore.
Brain scans found abnormally weak connections in the brains of premature infants may make them more prone to develop autism, attention deficit hyperactivity disorder and other emotional disorders.