Science

Some joints may be primed for rheumatoid arthritis before birth

Source: FlexChar · Published Sep 6, 2026, 12:19 AM

In Science, FlexChar puts this story at the center of the day: Scientists have found evidence that vulnerability to rheumatoid arthritis may begin before birth. Finger joints commonly affected by the disease develop with different tissue structures and larger populations of specialized fibroblasts than joints that are usually spared. Those c FlexChar is surfacing it because it is driving searches and conversation right now.

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Some joints may be primed for rheumatoid arthritis before birth

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