The dream of Theranos for finger-prick blood tests is now a reality, thanks to the efforts of rival companies. In Austin, Texas, people who fear needles can now undergo routine medical tests using ...

GPs could soon be able to screen patients for Alzheimer’s disease using a finger-prick test. The test, which is the size of a credit card, uses “needle ... markers in blood in minutes.

You'll use a monitor called a "glucometer" to check your blood sugar levels often. First, you prick your finger with a small needle called a "lancet" and place a drop of blood on a strip of paper ...

Once reserved for people with diabetes, blood sugar monitors are now available over-the-counter. Two doctors explain what ...