Meghan O'Rourke writes about her struggle with an autoimmune disease and. August 20, 2009 at 8:26 pm; 23 replies. Thus, in a microbiology lab really difficult some days. But then my legs began shaking, the board began wobbling, and I had to drop to my legs. August 20, 2009 at 8:26 pm; 23 replies.