The Veteran's otitis media was not aggravated by service or a service-connected condition, and his hearing loss disability is rated at the maximum allowable under VA regulations.

The claims seeking compensation under 38 U.S.C. § 1151 for left foot and bladder disabilities, as well as service connection for tinnitus, are dismissed due to lack of new and relevant evidence. The claim seeking service connection for bilateral knee disabilities is readjudicated.

The Veteran's claims for service connection for morbid obesity, difficulty walking, allergic rhinitis, otitis media, gout, sleep apnea, hyperglycemia, kidney disease (diabetic nephropathy), polyneuropathy of the left upper extremity (diabetic peripheral neuropathy), polyneuropathy of the right upper extremity (diabetic peripheral neuropathy), polyneuropathy of the left lower extremity (diabetic peripheral neuropathy), and polyneuropathy of the right lower extremity (diabetic peripheral neuropathy) are denied. The Veteran's claims for service connection for tinea pedis and onychomycosis are also denied.,The Veteran's claim for service connection for difficulty walking is denied as it is a symptom of other diagnosed conditions, including back disability, bilateral knee disability, and pes planus. The Veteran's claim for service connection for allergic rhinitis is denied due to lack of medical nexus between the condition and in-service incurrence. The Veteran's claim for service connection for otitis media is denied as there are no contemporaneous records indicating a diagnosis prior to separation from service.,The Veteran's claims for service connection for gout, sleep apnea, hyperglycemia, kidney disease (diabetic nephropathy), polyneuropathy of the left upper extremity (diabetic peripheral neuropathy), polyneuropathy of the right upper extremity (diabetic peripheral neuropathy), polyneuropathy of the left lower extremity (diabetic peripheral neuropathy), and polyneuropathy of the right lower extremity (diabetic peripheral neuropathy) are denied. The Veteran's claim for service connection for tinea pedis is denied as there are no contemporaneous records indicating a diagnosis prior to separation from service.,The Veteran's claims for service connection for gout, sleep apnea, hyperglycemia, kidney disease (diabetic nephropathy), polyneuropathy of the left upper extremity (diabetic peripheral neuropathy), polyneuropathy of the right upper extremity (diabetic peripheral neuropathy), polyneuropathy of the left lower extremity (diabetic peripheral neuropathy), and polyneuropathy of the right lower extremity (diabetic peripheral neuropathy) are denied. The Veteran's claim for service connection for tinea pedis is denied as there are no contemporaneous records indicating a diagnosis prior to separation from service.,The Veteran's claims for service connection for gout, sleep apnea, hyperglycemia, kidney disease (diabetic nephropathy), polyneuropathy of the left upper extremity (diabetic peripheral neuropathy), polyneuropathy of the right upper extremity (diabetic peripheral neuropathy), polyneuropathy of the left lower extremity (diabetic peripheral neuropathy), and polyneuropathy of the right lower extremity (diabetic peripheral neuropathy) are denied. The Veteran's claim for service connection for tinea pedis is denied as there are no contemporaneous records indicating a diagnosis prior to separation from service.,The Veteran's claims for service connection for gout, sleep apnea, hyperglycemia, kidney disease (diabetic nephropathy), polyneuropathy of the left upper extremity (diabetic peripheral neuropathy), polyneuropathy of the right upper extremity (diabetic peripheral neuropathy), polyneuropathy of the left lower extremity (diabetic peripheral neuropathy), and polyneuropathy of the right lower extremity (diabetic peripheral neuropathy) are denied. The Veteran's claim for service connection for tinea pedis is denied as there are no contemporaneous records indicating a diagnosis prior to separation from service.,The Veteran's claims for service connection for gout, sleep apnea, hyperglycemia, kidney disease (diabetic nephropathy), polyneuropathy of the left upper extremity (diabetic peripheral neuropathy), polyneuropathy of the right upper extremity (diabetic peripheral neuropathy), polyneuropathy of the left lower extremity (diabetic peripheral neuropathy), and polyneuropathy of the right lower extremity (diabetic peripheral neuropathy) are denied. The Veteran's claim for service connection for tinea pedis is denied as there are no contemporaneous records indicating a diagnosis prior to separation from service.

The Board denied the veteran's claims for service connection for a back disability, otitis media, and a skin disability as there was no evidence to support that these conditions were related to his military service.

The Veteran's service-connected conditions, including obstructive sleep apnea, mood disorder with depressive and anxious features, benign growth of the spinal cord with spondylosis and anterolisthesis, residuals of right ankle sprain with traumatic arthritis, and otitis media, have rendered him unable to secure and follow substantially gainful employment.