The blood pressure lowering effect of nitrate-rich beetroot juice in older people may be due to specific changes in their oral microbiome, according to the largest study of its kind.

Dr. Karl Landsteiner won the Nobel Prize for developing the ABO blood group system, the method of classifying blood types. It ...

As floodwaters recede, they often leave behind debris, stagnant pools and waterlogged areas — providing ideal breeding ...

A, B, O, AB — plus or negative — but scientists have identified dozens of others. Most recently, a team of French researchers discovered a 48th blood type. A woman from Guadeloupe is the only known ...

To solve the mystery of the Guadeloupian woman’s incompatible blood, scientists turned to cutting-edge genetic analysis.

The Inflation Reduction Act (IRA) made changes to the way drugs are covered and reimbursed in Medicare. It has been ...

Cancer drugs can vary sharply in the genetic damage they cause to healthy blood, scientists have found, in a landmark study that reveals potential new paths to choosing treatments with fewer ...

An unidentified woman from Guadeloupe has the rarest blood type on Earth, to the extent that she's only compatible with herself.

The International Society of Blood Transfusion has recognized a new blood type. The new addition, now the 48th recognized blood type, was discovered by scientists at the French Blood Establishment ...

A recent study reveals a link between blood type and stroke risk, particularly for early-onset strokes. Individuals with type A blood face a 16% highe ...

Named “Gwada negative,” it originated from a blood sample taken 15 years ago.

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...