that is probably because there new on the market and they don't know all the side effect's yet. You see on Tv or Dish med's that have been out here for year's all have side effect's and people are getting settlement's. All drug's have problem's so you individually have to decide what you want or NOT want.

My old Dr before she left and told me because of other major health issues that I have told me not to take them.

there is pills out there.

Cause of heart and other issues.

I am doing very well on Tecfidera ( a pill).