Discover why O negative blood is the universal donor group essential for ERs & trauma care. Learn how it works, donation steps, global demand, and myths debunked.
Comprehensive guide to AB+ blood type - the universal receiver. Learn about transfusion safety, donation limitations, health implications, and real-life experiences with this rare blood group.
Discover science-backed truths about blood group O types (O+ and O-). Learn health implications, transfusion facts, genetic inheritance, and pregnancy risks based on hematology research.