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Most of America's blood supply comes from about 5 million selfless volunteers
Red blood cells need iron, an essential dietary element, to transport oxygen throughout the body
"Our findings provide strong evidence that existing blood donation standards both maintain the quality of the blood supply and protect the health of adults who donate blood regularly," said Eldad A.
Dr.
The Iron Deficiency Study screened 983 regular blood donors
After screening to confirm their eligibility, all participants donated a standard blood
About six weeks later, the participants returned again to complete quality of life and cognitive tests while testing whether the blood they had donated last time met the quality standards
After 4 to 6 months, participants returned for a second blood donation and completed another round of quality of life and cognitive tests
While Dr.
"This finding is good news because not only does it show that the blood donated by regular donors is still of high quality, but that those who donate blood regularly are not significantly harmed as a result," Dr.
One limitation of the study's findings is that people under the age of 18 were excluded