It is no surprise that more than 91.4 million Americans use a smartphone. The devices are so much more than a phone - they are a world of knowledge right in the palms of our hands. And now, they can even monitor our health. Technology company Azoi has launched a smartphone case that can measure key vital signs.The health tracker is called Wello.
There is evidence that the brain changes associated with Alzheimer's disease begin many years before clinical symptoms like memory loss and mental decline emerge. With this in mind, biomarkers of these changes could be valuable ways to identify individuals at the "preclinical" stage, which is early enough for brain-preserving treatment to be effective.
Drug treatments for diseases that cause blindness could be delivered by eye drops instead of uncomfortable and costly eye injections, say UK researchers. The team reports how it tested this innovation on animals in the nanotechnology journal Small.