Thomas Jefferson was afraid of public speaking. He had terrible stage fright, added accent marks to his copy of the Declaration of Independence in case he ever had to read it aloud, and often faked illness to avoid giving speeches. He was so opposed to public attention that about 20 pages into his own autobiography, he complains that he’s already tired of talking about himself. (, , )

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. (, , )