Omar looks through Kai's photo book. The charges for the infant's six months of care in the neonatal intensive care unit totaled about $11 million, according to the family, though their insurer very likely negotiated a lower rate. Heidi de Marco/KHN hide caption

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An Ill Newborn, A Loving Family And A Litany Of Wrenching Choices
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Mmm. Smells just like your identical twin. iStockphoto hide caption

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Why Do Mosquitoes Like To Bite You Best? It's In Your Genes
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Mike (left) and Matt (right) Gragnani are 25-year-old identical twins. Together, they've been able to buy an apartment and start a business before many of their peers. Courtesy of Mike Gragnani hide caption

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Millennials Might Be 'Generation Twin.' Is That A Bad Thing?
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How Can Identical Twins Turn Out So Different?
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