Directly, less so. I imagine it will come because other addictive behaviors have been linked to dopamine depletion.
"Another metabolic parameter strongly supporting a neurobiological basis for natural addiction is found in studies examining dopamine receptor depletion. Wang et al., demonstrated dopamine (D2) receptor downgrading with obesity similar to that seen in drug addiction, and the levels correlated with BMI.[31] An animal study recently published by Johnson and Kenny found that rats exposed to “palatable, energy-dense food develop a profound state of reward hyposensitivity and compulsive-like eating. The maladaptive behavioral responses in obese rats probably arise from diet-induced deficits in striatal D2R signaling. Overconsumption of drugs of abuse similarly decreases striatal D2 receptor density, induces a profound state of reward hypofunction, and triggers the emergence of compulsive-like drug taking behaviors. " -- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3115160/
"Another metabolic parameter strongly supporting a neurobiological basis for natural addiction is found in studies examining dopamine receptor depletion. Wang et al., demonstrated dopamine (D2) receptor downgrading with obesity similar to that seen in drug addiction, and the levels correlated with BMI.[31] An animal study recently published by Johnson and Kenny found that rats exposed to “palatable, energy-dense food develop a profound state of reward hyposensitivity and compulsive-like eating. The maladaptive behavioral responses in obese rats probably arise from diet-induced deficits in striatal D2R signaling. Overconsumption of drugs of abuse similarly decreases striatal D2 receptor density, induces a profound state of reward hypofunction, and triggers the emergence of compulsive-like drug taking behaviors. " -- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3115160/