The Veteran's current hearing loss is related to noise exposure during service, and the Board finds that this condition meets the criteria for service connection. The issue of gastroenteritis remains pending as a new medical opinion is needed.

The Board has remanded the claims for service connection for hearing loss, tinnitus, and an acquired psychiatric disorder due to incomplete medical records and need for further examination.

The Board has reopened the Veteran's claim for service connection for hearing loss and tinnitus. However, it was determined that the Veteran does not have a current disability of bilateral hearing loss or tinnitus for VA purposes, thus denying both claims.

The Veteran's tinnitus and hearing loss claims are denied as there is no current diagnosis of these conditions.,The Veteran's high cholesterol, dementia, stroke, prostate cancer, cataracts, diabetes, hypertension, CHF, and myocardial infarction claims are denied due to lack of service connection evidence or insufficient evidence to establish a nexus between the disabilities and active duty service.,The Veteran was exposed to toxins during his military service but there is no evidence linking these exposures to any of the claimed conditions.

The Board dismissed the Veteran's appeal for service connection of a right ankle disorder.,The Board denied the Veteran's request for an earlier effective date for his service connection for gastroenteritis, lumbosacral strain, left lower extremity radiculopathy, right lower extremity radiculopathy, left ankle lateral collateral ligament strain, right knee strain and hemorrhoids. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of a lumbosacral strain. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of left lower extremity radiculopathy, sciatic nerve. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of right lower extremity radiculopathy, sciatic nerve. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of a left ankle lateral collateral ligament strain. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of right knee strain. The earliest effective date is December 5, 2018.,The Board denied the Veteran's request for an earlier effective date for his service connection of hemorrhoids. The earliest effective date is December 5, 2018.