A study that transfused plasma from active to inactive mice suggests the protein clusterin enhances cognition.

Current evidence suggests the treatment does not improve survival or reduce the need for ventilation in COVID-19 patients, the World Health Organization says.

Every medical intervention—even one with a centuries-long history—brings dangers, some of which become clear only later.

Harvey Alter, Michael Houghton, and Charles Rice share the Physiology or Medicine award for their contributions to identifying the virus and demonstrating that it was responsible for hepatitis among blood transfusion recipients.

Anti-doping agencies are tracking levels of various molecules in athletes’ blood and urine over time to increase their ability to detect drug misuse.

A team of Stanford University researchers say that administering young people’s blood plasma to Alzheimer’s patients could improve cognitive function, but the results have been criticized.

Blood donation centers across the U.S. are required to screen samples for signs of the mosquito-borne virus. Some have questioned whether it’s always necessary.

The US Food and Drug Administration approves conditional use of an investigational test for Zika virus.

Field tests fail to show improved prognosis for Ebola-infected patients treated with survivors’ blood plasma.

Plasma-based therapy trials begin in West Africa; NIH-GSK vaccine shows promise in Phase 1; the real statistics

A microfluidic device can safely remove glycerol from thawed red blood cells in minutes, potentially making frozen blood more feasible for routine transfusions.

In the midst of news that engineered organs are being implanted into animals and people, researchers announce the creation of artificial blood for transplant.

A University of Alberta researcher refuses to accept a prestigious scientific award because he thought two of his collaborators should have also been honored.

Blood cells derived from a person’s bone marrow stem cells are injected back into his body.