Following up this article http://fukushima-diary.com/2012/01/update-from-the-livechat-mysterious-illness-strikes-students-at-ny-high-school/
Still no connection with radiation is confirmed, but the symptom seems similar to me.
Lead-210 was found in Yokohama, which nobody has expected.
There are still so many things we don’t know about nuclear.
Iori Mochizuki