Soon after SARS-CoV-2 began its assault on the world, scientists began searching for clues about what, if any, factors made people more or less likely to get infected with the virus, and more or less ...

The fibrinogen blood test is used to assess how well the protein called fibrinogen — also called coagulation factor I — performs in the blood and to measure its levels in your blood. The test is also ...

Blood oranges may have a sinister-sounding name, but they’re just a natural mutation of standard oranges. This mutation led to the production of anthocyanins, which make blueberries blue and blood ...

A person's blood type is determined by "the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body," according to American Red Cross.

Nucleated red blood cells (NRBCs) are immature red blood cells that cannot perform their functions. They can indicate a person might have leukemia or another blood disorder, such as anemia. Share on ...

Blood – everyone's got it. In fact, an adult who weighs between 150 and 180 pounds has around 1.2 to 1.5 gallons of blood in their body. This makes up approximately 10% of an adult’s weight. Blood ...

A burst blood vessel in the eye, or subconjunctival hemorrhage (SCH), causes a patch of blood to appear on the white part of the eye. In most cases, it is harmless and goes away on its own. Healthcare ...

It was a white T-shirt bearing the likeness of Snoopy wearing shades and leaning effortlessly against the iconic American Red Cross logo that prompted a surge in blood donations in the spring of 2023.

Blood stains have a reputation for being difficult to remove from clothing, household goods like sheets and towels, and non-washable items like mattresses. That reputation is fairly earned, because ...

The American Red Cross sells donated blood to hospitals on a "cost-recovery basis." The price a hospital pays for blood varies depending on location and other factors, but reports indicate prices have ...

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An erection is the result of increased blood flow to the penis. But you may be wondering exactly how that works, and whether there’s a specific amount of blood that your penis needs to achieve an ...