Atrial fibrillation is a heart disorder that affects more than two million Americans, and is considered a key contributor to blood clots and stroke. Now researchers from North Carolina State University are developing a new computerized catheter …
The disruption of a structural component in heart muscle cells, which is associated with heart failure, appears to occur even before heart function starts to decline, according to a new study by researchers at the University of Iowa Roy J. and L…
Medical investigators have demonstrated that a particular protein is important for the eye’s pupil to respond to light. The discovery may help scientists learn more about the eye’s role in non-visual functions such as the synchronization of the body’s internal, circadian clock. Reporting in the Jan. 10 issue of the journal Science, the researchers say that mice that lack the two main types of photoreceptor cells in the retina ? rods and cones ? as well as proteins in the retina called cryptochromes, lose about 99 percent of their sensitivity to light.