A system and method for predicting the effect of patient self-care actions on a disease control parameter. A future disease control parameter value X(tj) at time tj is determined from a prior disease control parameter value X(ti) at time ti based on an optimal control parameter value R(tj) at time tj,...http://www.google.com.au/patents/US7167818?utm_source=gb-gplus-sharePatent US7167818 - Disease simulation system and method