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 ...

Many people are afraid of needles, and having a doctor take a blood sample from their arm makes them uncomfortable. There is an alternative: a prick to the fingertip or earlobe. But for many ...

The Three Laws of Robotics won't apply to a little needlework. A collaboration among Northwestern Medicine, other clinical sites and a company developing an automated phlebotomy machine will test ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

I keep asking my cousins about their blood. I ’ve already exhausted my siblings. Who has low platelets in this family? Speak up now! I need to see if there’s a genetic trail. My blood has been coming ...

Being a vet is no easy feat, especially when it comes to performing invasive medical procedures on the often anxious companion animals that they care for. One veterinary center, Hawthorn Veterinary ...

The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...