A new device for taking blood samples uses microneedles and a suction cup instead of a large needle. People with a phobia of needles stand to benefit. More blood can be obtained than with the classic ...

When your doctor thinks you might have an infection or an allergy, a simple blood test should give answers within hours. But for much of the world, that test can take days—or never happen at all. The ...

Your blood is a delicate mixture. Researchers and clinicians often use blood to learn what's going on inside our bodies, in part because siphoning off a tube of blood is easier and less painful than ...

District Attorney Nico LaHood’s new policy on handling blood samples taken from suspected drunken drivers has left local law enforcement agencies fending for themselves when it comes to analysis of ...