Hello @camper – my wife has a twin sister also and it sounds like you have the same relationship with your twin that my wife has with hers. I don't think a day goes by that they aren't on the phone talking. I agree with @lisalucier that your sister is lucky to have a twin like you wanting to do everything she can to help you. Here is a website for the National MS Society that may provide a lot of information on MS for you:

Guidelines Released by AAN to Help Inform Treatment Choices for Multiple Sclerosis
-- https://www.nationalmssociety.org/About-the-Society/News/Guidelines-Released-by-AAN-to-Help-Inform-Treatmen