The Veteran's bilateral lower extremity diabetic neuropathy is etiologically related to his service-connected diabetes mellitus, type II.

The Board has remanded the Veteran's claims for diabetes, diabetic neuropathy, heart condition, eye conditions, depression, and loss of sex drive due to insufficient evidence. The Veteran was not provided with VA examinations for these issues.

The Veteran's lung disability and sinusitis claims are denied as there is no current diagnosis.,The deferred right foot disability claim is dismissed due to a premature Notice of Disagreement.,Heart and diabetes mellitus claims are remanded for additional etiology opinions regarding herbicide exposure.,Allergic rhinitis and bilateral shoulder disabilities claims are remanded for new etiology opinions considering toxic exposure risk activities (TERA).

The Board has denied the Veteran's claim for a disability rating in excess of 20 percent for diabetes mellitus type II, finding that the evidence does not support the requirement of 'regulation of activities' as required by Diagnostic Code 7913.

The Veteran's service connection claims for peripheral vascular disease, bilateral hearing loss, type 2 diabetes mellitus, bilateral lower extremity diabetic neuropathy, erectile dysfunction, right trench foot, stroke, and voiding dysfunction have all been denied. The Board found that the evidence did not support a finding of current disabilities or a nexus to service.,The Veteran's peripheral vascular disease was not shown as chronic in service and there is no evidence of continuity of symptomatology post-service. His bilateral hearing loss does not meet VA standards for disability, and his type 2 diabetes mellitus cannot be presumed due to exposure to herbicide agents during service. The Board also found that the Veteran did not have boots on the ground service in Vietnam.,The Veteran's claims were denied as there was no medical evidence of a nexus between any current disabilities and service.