question: 45 year old woman. 5 9 tall at 150 lbs. usually around 135 or so. Smoker. 4 back surgeries. Possible thyroid problems. Never drinks water, 7 or 8 soft drinks daily ..... Feet and ankles very sore and swollen. Dizzy and tired. Small knots on lower leg. All new symtoms. Can you help me ?