did-you-know: Taylor Muhl is her own twin. She has chimerism, which means her cells fused with her f
did-you-know: Taylor Muhl is her own twin. She has chimerism, which means her cells fused with her fraternal twin’s in the womb. Her body has 2 sets of DNA, 2 immune systems, and 2 bloodstreams. This has plagued her with autoimmune issues, as her immune system is constantly trying to fight off her twin sister’s cells. Source Source 2 Source 3 -- source link