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In a healthy person, a red blood cell usually survives for about 120 days, a 2023 review notes. Mature human red blood cells also have no nucleus.

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In a healthy person, a red blood cell usually survives for about 120 days, a 2023 review notes. Mature human red blood cells also have no nucleus.ILLUSTRATION · AI

In healthy people, red blood cells usually survive for an average of about 120 days.

The lifespan of red blood cells, or erythrocytes, is the time they remain in the bloodstream. A 2023 review in Aging and Disease notes that in healthy individuals they usually survive about 120 days, while conditions such as sickle cell anemia can shorten that lifespan.

Mature human red blood cells lack a nucleus and have a double-concave disc shape.

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