Originally Posted by kiwi33

Ravenclaw, I think that shifting the balance of Th1 and Th2 cells is favour of more Th2 cells would probably help in MG.

I don't know if this has been tried but one potential risk of it is that Th1 cells have important roles in defending against bacterial and viral infections - relatively small numbers of Th1 cells could mean that people are unusually susceptible to these infections.