
VA Research Highlights: Agent Orange linked to acral melanoma, gut bacteria tied to Parkinson's, and a heart drug may curb opioid withdrawal
VA researchers publish three News Briefs: exposure to Agent Orange is linked to a higher risk of acral melanoma (a rare form of skin cancer); a gut bacterium, Desulfovibrio vulgaris, may drive Parkinson's disease by promoting alpha-synuclein buildup and affecting dopamine signaling; and acetazolamide, a heart disease drug, reversed opioid withdrawal–related brain changes in a mouse model, suggesting potential non-opioid treatments for substance-use disorders.

