Spot the Difference is a popular and intriguing puzzle that will test your eye for detail. In this puzzle, two image files ...

But a new eye test being launched on the high street can detect 12 different health conditions - including high blood pressure, diabetes and potentially deadly tumours. The scan, called an optomap ...

These pictures allow doctors to get a look at your internal organs, tissues, and blood vessels. A CT scan exposes your body to some radiation. That involves a small amount of risk, and it’s ...