Dopamine deficiency is more frequent in addiction-prone individuals
Multiple studies and reviews support the reward deficiency syndrome model, indicating that individuals prone to addiction frequently exhibit reduced dopamine signaling and lower baseline dopaminergic function in the brain's reward pathways.
The retrieved literature consistently links addiction, substance use disorders, and reward-seeking behaviors to hypodopaminergia or reduced dopamine signaling (Reward Deficiency Syndrome). Papers [0], [1], and [3] explicitly support the claim that addiction-prone individuals exhibit dopamine deficiency. No retrieved papers refute the claim.
Blum K, Bowirrat A, Braverman ER, Baron D, Cadet JL, Kazmi S, Elman I, Thanos PK, Badgaiyan RD, Downs WB, Bagchi D, Llanos-Gomez L, Gold MS. Reward Deficiency Syndrome (RDS): A Cytoarchitectural Common Neurobiological Trait of All Addictions.. 2021. https://doi.org/10.3390/ijerph182111529
States that substance use disorders and reward deficiency syndrome are characterized by a reduction in dopamine signaling within the reward pathway.
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Zeine F, Jafari N, Baron D, Bowirrat A, Pinhasov A, Norling B, Martinez KC, Nami M, Manavi N, Sunder K, Rabin DM, Bagchi D, Khalsa J, Gold MS, Sipple D, Barzegar M, Bodhanapati J, Khader W, Carney P, Dennen CA, Gupta A, Elman I, Badgaiyan RD, Modestino EJ, Thanos PK, Hanna C, McLaughlin T, Cadet JL, Soni D, Braverman ER, Barh D, Giordano J, Edwards D, Ashford JW, Gondre-Lewis MC, Gilley E, Murphy KT, Lewandrowski KU, Sharafshah A, Makale M, Fuehrlein B, Blum K. Solving the Global Opioid Crisis: Incorporating Genetic Addiction Risk Assessment with Personalized Dopaminergic Homeostatic Therapy and Awareness Integration Therapy.. 2024. https://doi.org/10.17756/jap.2024-045
Emphasizes the need to assess pre-addiction vulnerability via genetic risk scoring to address dopamine deficiencies linked to addiction.
Lewandrowski KU, Alvim Fiorelli RK, Schmidt S, Sharafshah A, Baron D, Gold MS, Thanos PK, Elman I, Bagchi D, Bowirrat A, Pinhasov A, Lorio MP, Blum K. Opioid-Induced Hyperalgesia and Inflammaging in the Management of Spine Pain: The Case for Genetically Directed Dopamine Homeostasis.. 2025. https://doi.org/10.14444/8756
Notes that patients with inherently low dopaminergic function (hypodopaminergia) are particularly predisposed to reward deficiency behaviors and hyperalgesia.
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