Parkinson's disease decisions — 2026

The Veteran's diabetes is granted as service-connected due to in-service herbicide agent exposure. The Board finds the pre-decisional record inadequate for evaluating certain Parkinson's disease residuals and remands for further examination.

The Board has granted service connection for Parkinsonism, finding that the Veteran was exposed to herbicide agents during his military service and that this exposure is presumed to be related to the development of Parkinsonism.

The Veteran's service-connected Parkinson's disease resulted in the need for regular aid and attendance as of July 23, 2019.,Throughout the initial period on appeal, the Veteran's service-connected peripheral neuropathy, left lower extremity (femoral nerve), was characterized by moderate incomplete paralysis.

The Board has granted the Veteran's claim for service connection for sleep apnea as secondary to his service-connected Parkinson's Disease, but denied it based on direct causation.

The Board has dismissed the appeal as the appellant withdrew his intent to pursue eligibility for past-due fees based on an August 2025 Rating Decision.

The Board has remanded the claims of service connection for Parkinson's disease, bladder cancer, and heart disease due to a duty to assist error in failing to consider potential toxic exposure risk activity (TERA) based on the Veteran's military occupational specialty (MOS).

The Veteran is granted SMC at the (o) rate based on his service-connected disabilities, including PTSD and other conditions. He also meets the criteria for SMC at the (r)(1) level due to need for regular aid and attendance.

The Board has decided to remand the case due to insufficient development of the Veteran's claim for service connection for Parkinson's disease, including his exposure claims. The AOJ is instructed to obtain a new Toxic Exposure Risk Activity (TERA) memorandum and request an updated TERA opinion from an appropriate clinician.

The Veteran's service-connected conditions do not render him unable to secure or follow substantially gainful employment.

The Board has denied the Veteran's claims for service connection for Parkinson's disease and peripheral neuropathy of the bilateral lower extremities, finding that there is no evidence linking these conditions to his military service.

The Veteran's service-connected disabilities, including myoclonus including Parkinson's disease and several associated neurological impairments, require regular aid and attendance of another person. The Board has granted entitlement to SMC based on the need for regular aid and attendance.

The Veteran's claim for service connection for Parkinson's disease was granted with an effective date of May 12, 2020. The rating assigned is 10 percent.

The Veteran's claim for SMC based on the need for aid and attendance is granted. However, his request for an earlier effective date for the grant of SMC at the housebound rate is denied.

The Board has remanded the Veteran's claims for prostate cancer, obstructive sleep apnea, Parkinson's disease, left kidney cancer with residuals, coronary artery disease, and hypertension due to potential toxic exposure during service. The AOJ is instructed to properly address these issues by developing evidence regarding the Veteran's toxic exposures.

The Veteran's Parkinson's disease is found to be at least as likely as not related to in-service exposure to toxins, including trichloroethylene (TCE). Service connection for Parkinson's disease is granted.

The Board has granted service connection for Parkinson's disease, brain tumor, and pulmonary nodules due to toxic exposures in service. The Veteran's current diagnoses are supported by medical records, and VA examiners have provided opinions linking these conditions to his exposure to various toxins during military service.

The Veteran's generalized anxiety disorder is found to be related to service, with the condition having its onset during service. Service connection for this condition is granted.,Obstructive sleep apnea is determined to be secondary to the service-connected tinnitus and has been granted as a result.

The Veteran's appeal for Parkinson's disease has been withdrawn and dismissed. The claims of service connection for bilateral hearing loss, acquired psychiatric disorder, respiratory disorder, dermatological disorder (initially claimed as 'skin tags'), right knee disorder, left knee disorder, right ankle disorder, left ankle disorder, right shoulder disorder, and left shoulder disorder are all being remanded.

The Veteran's prostate cancer and Parkinson's disease are granted service connection, but additional development is needed to verify his exposure to trichloroethylene (TCE) during military service.

The Board denied the Veteran's claim for service connection for Parkinson's disease, finding that there was no evidence of a nexus between his current condition and his military service or exposure to chemicals from Project SHAD.