Guinea pigs for the big pharma? Quite possibly, but the DMD's work for some and not others - and different ones are effective for different people, so in that respect it is good to see whether your gamble is paying off, and these expensive drugs are doing what they are supposed to.

Remember too that a lot of the damage is silent - so even if you are not have events NOW on your poison of choice, it may not be doing you any favours in the long run.