This content is sponsored by Boston Children's Hospital

Sponsored by Boston Children's Hospital

This content was produced by Boston Globe Media's Studio/B in collaboration with the advertiser. The news and editorial departments of The Boston Globe had no role in its production or display.

The true story of one set of twins’ incredible connection

A brother and sister have had a bond since birth, and have inspired their mom for just as long.

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This content was produced by Boston Globe Media's Studio/B in collaboration with the advertiser. The news and editorial departments of The Boston Globe had no role in its production or display.