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I have no intention of doing this

Would there be an advantage of donating blood (or reducing the blood you have) on a frequent basis while training and then allowing your blood levels to raise back to normal for competitions. This would the reverse of the current practive but would train the human body to be more effecient with less platelets correct? I think the red cross allows for donation every two or three months but if you could donate weekly or biweekly would this accomplish anything
 

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There would be a great advantage to donating blood as much as possible, you could possibly save someone's life who is in dire need of that blood! If you don't know already, blood products are in short supply in this world. Not enough people donating. Now getting back to your question, platelets are necessary for blood clotting, not carrying oxygen. Red blood cells carry hemoglobin, which binds oxygen, which is then carried throughout your body to all your vital organs. Taking away these red blood cells, or becomming anemic, will not help you. Unfortunately, the body does not become more efficient with oxygen carrying capacity when you have anemia. So your plan of donating blood multiple times to become anemic and hoping for your body, specifically your bone marrow, to become efficient, will not happen. Also, no blood donation center would ever accept a blood donation from an anemic individual. Now, training at high altitude or injecting Epo (erythropoeitin), which increases red blood cells by stimulating your bone marrow to produce more of them, that will make you more efficient by increasing your oxygen carrying capacity. All you have to do now is find an evil european doctor to get you some:D
 
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