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“People with a high hemoglobin can benefit from donating blood. Reducing the hemoglobin can improve your risk for a heart attack and strokes. It can also lower your blood pressure,” says Bharati.
Donor blood is generally screened for transfusion-transmitted infections such as HIV. As of 2018, the World Health Organization reported that nearly 100% of blood donations in high- and upper-middle-income countries underwent infectious disease screening, but the figures for lower-middle-income and low-income countries were 82% and 80.3% ...
The theme of the 2012 World Blood Donor Day campaign, "Every blood donor is a hero" focuses on the idea that everyone can become a hero by giving blood. Based on data reported by 180 countries between 2011 and 2013, the WHO estimated that approximately 112.5 million units of blood were being collected annually.
You can donate as often as twice per week with at least two days in between donations at most private donation centers. This is possible because blood plasma regenerates every 24-48 hours.
Red blood cell concentrates, also known as red cell concentrates or packed red blood cells, are red blood cells that have been separated for blood transfusion. [1] A red blood cell concentrate typically has a haematocrit of 0.50 – 0.70 L/L and a volume between 250 and 320 mL.
The donor’s red blood cells are then fed back into their bloodstream. This process can take up to one to two hours. The longest part of the plasma donation is the component separation process.
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