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26 years
I did a blood test yesterday; when taking the sample the nurse told me that my blood color is dark red. Is it a bad sign?
Jun 5, 2014

Dr. Salim Saab Otolaryngology (ENT)
A dark red blood colour can mean a lot of things. It may be a low concentration of oxygen or an increase in co2 or even an abnormal hemoglobine. In practice, if you don't have any complaints, don't worry.
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