An extension study for subjects with prior participation in previous resonator studies using low level magnetic fields to treat some of the symptoms of idiopathic Parkinson's Disease.

Inclusion Criteria:

• Prior participation in pico-tesla pilot studies: NCT00779155 & NCT00863226
• Willing and able to abstain from partaking in non-essential new treatments for Parkinson's disease symptoms during the course of participation of the study.
• Will and able to abstain from all non-essential new medications that could affect PD and/or any of its associated symptoms for the duration of the study.
• Willing to notify the investigator right away of any changes in medication use or therapies that is prescribed and deemed necessary by the subjects physicians.
• Adequate contraceptive measures for female subjects
• Capable of giving full written informed consent

Exclusion Criteria:

• Not a participant in IRC#'s 07102 or 07021
• No active brain tumors, strokes, hydrocephalus
• Chronic pain not associated with PD
• Any other condition which might prevent subject from comfortably sitting for 1.5 hours
• Consumption of medications that can produce Parkinsonism type symptoms
• Major psychiatric disturbance
• Epilepsy
• HIv and other autoimmune disorders
• Cancer within last 2 years
• History of ECt
• Diabetic neuropathy
• Uncontrolled HTN
• Advanced Pulmonary disease
• Known heart conditions such as repetitive history of cardiac arrythmias
• Previous surgeries for PD
• Prosthetics comprised of ferrous materials
• Stents, only where there is also cardiac arrythmias, CHF, advanced valvular stenosis, unstable vital signs, extensive ischemic damage to heart muscle as a result of one or more heart attacks.
• Pacemakers
• Uncontrolled, unstable, or untreated medical illnesses which might potentially significantly affect the patient's health in the opinion of the investigator
• Consumption of more than 21 alcoholic drinks per week
• Pregnant, breast feeding or planning pregnancy
• Developmental disability or cognitive impairment
• Inability to maintain regular medication regime
• Inability to abstain from partaking in new non-essential PD tx., or medications
• Not willing to report physician mandated changes in medication and/or treatment

Previous participants enrolled in one of two prior pico-tesla Magnetic Therapies Resonator device studies using magnetic fields for treating Parkinson's Disease (PD) symptoms.