The Board has denied the veteran's claims for service connection for a sinus disorder, lumbosacral strain with neurological manifestations affecting the left leg, chloracne, and peripheral neuropathy of the hands and feet. The evidence submitted did not change the outcome of these decisions.

The Board restored the 50% rating for headaches and the 30% rating for a cervical spine disability, as the reductions were improper. The claims for service connection for OSA, a higher rating for allergic rhinitis, and a sinus disorder are remanded.

The Board remands the claims for service connection for sinus disorder, burning left eye and right eye, fungus infection on toenails, and bronchitis to obtain additional medical opinions.

The Board remands the claims for further development, including obtaining additional medical opinions and private treatment records.

The appeal for readjudication of the claim of entitlement to service connection for vision loss has been withdrawn.,Readjudication of the claim for entitlement to service connection for asthma is granted, as new and relevant evidence has been received.,Readjudication of the claim for entitlement to service connection for hypertension is granted, as new and relevant evidence has been received.,Readjudication of the claim for entitlement to service connection for loss of taste (ageusia) and loss of smell (anosmia) is granted, as new and relevant evidence has been received.,The claim for entitlement to service connection for chloracne, to include as secondary to in-service herbicide exposure, is denied, as new and relevant evidence has not been received.,Entitlement to service connection for hypertension is granted pursuant to the PACT Act.