Vein size is not something that a person typically thinks about until they have blood drawn for lab work or for a blood donation and — ouch — it hurts. Instead of just pain from the needle poke, pain ...

Patients at Sacramento, Calif.-based Sutter Health's hospitals and clinics across Northern California could soon have their blood drawn a little differently. Instead of sticking a patient with a ...

Needle-free devices like TAP and Tasso offer painless blood collection, a benefit for the squeamish. These tests face challenges with sample size and accuracy compared to traditional methods. This ...