Viscoelastic or Viscoplastic Glucose Theory (VGT #39): Applying the VEGT or VPGT to Study the Effect of Role Switching for Cause and Symptom, CVD Risk versus Cancer Risk and Cancer Risk versus CVD Risk, and Using Viscoelastic Perturbation Model to Predict the Risks of Having CVD or Cancer Using Calculated Risk Data of a 12+ Year Period from Y2012 to Y2022 Based on the GH-Method: Math-Physical Medicine (No. 620)