World Blood Donor Day 2024 is on Friday, June 14, 2024: which is the most common blood group iamong humans in the world?

Friday, June 14, 2024 is World Blood Donor Day 2024.

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World Bloodstream Donor Day is well known every 14th of June also it encourages individuals to give bloodstream and save lives without requesting anything in exchange. Bloodstream donor day serves to boost understanding of the requirement for safe bloodstream.Transfusion of bloodstream and bloodstream items can save countless lives each year. It can benefit patients struggling with existence-threatening conditions live longer with greater quality of existence, and supports complex medical and surgical treatments.

What I DO still know is what blood type O+ means. The O signifies one of 4 major blood groups: A, B, AB and O. What does it mean to be one type or another? Really it’s a description of the type of protein on the exterior of human red blood cells. Imagine a smooth, red balloon. Smooooooooth. Ok. Got it? That’s NOT how it looks.

First, imagine pushing into the balloon with both fists at equal points from each other (as in, the north end and the south end) to the point where both fists are almost touching through the balloon. Now you have a better idea of the shape of a blood cell (if you haven’t noticed the HUGE red picture next door). Now imagine buh-jillions of antennas, scaffolding and twisted metal extending from the surface of the balloon. THAT’S what it looks like. You just don’t see them because they’re small and most pics (again, next door) don’t show them.

Of those things sticking out of the balloon, the most important are these two big ones…aptly named A and B. Think of it like the city of Paris - lots of buildings everywhere - with a big Eieffel Tower sticking up higher than all of them. Some balloons have one tower (A). Some have a different one (B). Some have both (AB). Then there’s one that doesn’t have any, which is called O just for fun.

There’s another important thing sticking out of the cell. It’s either there or it isn’t. If it’s there, you’re +. If not, you’re -.

A little-known fact is that there’s all those other proteins (buildings in Paris, if you’re still traipsing through the analogy) that only sorta matter to practical health issues. The fact is that your immune system gets REALLY annoyed at the A’s, B’s and +’s if it’s never seen them before. It doesn’t care about the other “buildings” - they may cause a fever or turn your pee dark for a few days. But if you get blood cells that have A, B, or + antenne on them, your immune system will attack them, kill them, and make you really sick. It’s can be especially tragic if it happens in a baby. But the other buildings don’t really matter to anyone but PhD’s. There’s all kinds of them, all with names and designations that nobody cares about (although there is one protein called the “Lutheran” protein which, in my opinion, puts a whole new spin on the predestination thing).

So the most common blood type is O+. People who have O+ have immune systems that don’t like blood with A, B or AB proteins. However, they don’t care if that blood is + or -. So, if you your goal in life is to donate blood, you want to have blood type O-. This type of blood is the Switzerland of red blood cells. Everybody gets along with it because it has no important proteins to attack. If, on the other hand, you spend most of your time in high-velocity situations and the potential for massive blood loss is looming in your future, you’d like to be of type AB+. This means your immune system has seen it all - the Moll Flanders of immune systems (been around the block, if you will). O- is therefore the “Universal Donor”, meaning it is appropriate for Klingons, Wookies and all Earthlings. AB+ is the “Universal Recipient”, meaning they can take blood from all the people that the Universal Donor just gave to.

Finally, I just learned from the pediatric cancer docs that you can completely change a person’s blood type by irradiating their bone marrow until it’s all dead, then transplanting from a donor with a different blood type. Thus, if you want to commune with the universe, consider one of these two blood types. Otherwise, you’re just boring and complicated like the rest of us.

World Blood Donor Day: Did u donate blood today ?

i would if i could but i can't...i'm anemic :(

Can my blood be useful? At all? (for donations)?

Yes, your blood is valuable. Because A+ is common there are many A+ people needing blood. It is better to give them A+ when available than to use O+ because that reduces the amount of O+ available should an O+ person need it.

Also, a large portion of blood donated isn't used for direct blood transfusion. Much of it is separated into its constituent parts which don't carry the type and RH factor and these products may be used on anyone needing them.