Jason -- From my doctors, I was always led to believe that a course of glucocorticosteroids (steroids like prednisone, Solu-Medrol, etc.) would speed me through an exacerbation, not necessarily changing the ultimate course of the disease. Now, from my reading and belief in an insulin hypothesis, I know that steroids increase glucose in the bloodstream, which results in higher insulin levels.
So now I regret having taken steroids about three or four times in the past -- in fact, I think it may have lead to worsening of my current condition.
Neither I nor anyone here has the definitive answer to your questions. We are all searching. Personally, I think being as active as possible would be more beneficial than rest. Some people have observed symptom improvement by severe calorie restriction, so maybe broth would be a good idea. I see it as limiting blood glucose and resultant insulin. Who knows what mechanism can be at work!