Hmm... that's interesting, because other studies with (identical) twins show that one can have/get an illness that the other does not.
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
Boring Teacher Syndrome
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.