Again, you don’t! The symptoms or disease will go away when you and your body are ready to release the considerations (thoughts, feelings, emotions, beliefs, decisions, judgments from any lifetime) that are keeping the unwanted condition in place.
This process is not linear, which means that a condition that one person lets go of in one session could take many sessions for another person and there is no wrongness in this. It is just different. It is however, possible to ask a particular Bars session to address particular symptoms or issues. The results are determined by the person receiving the Bars session and their body.