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This Viewpoint explores the current barriers to implementing contingency management treatment for individuals experiencing both opioid use and stimulant use disorders in the context of high numbers of US overdoses.

This case-control study explores the exploration-exploitation dilemma in suicidal behavior.

This cohort study investigates differences between outpatient clinicians in treatment selection and outcomes for their patients diagnosed with major depressive disorder across academic medical centers, community hospitals, and affiliated clinics.

This randomized clinical trial assesses the effectiveness of accelerated intermittent theta-burst stimulation for depressive symptom reduction in patients with treatment-refractory bipolar depression.

This Viewpoint discusses the potential of state taxation of cannabis products to curb use and raise revenue for public services.

This cohort study investigates the risk of mild cognitive impairment, Alzheimer disease, and all-cause dementia associated with subjective cognitive decline using the subjective cognitive decline–plus criteria among cognitively normal adults in the community.

This cohort study examines the association of gratitude with all-cause and cause-specific mortality in later life among US female registered nurses participating in the Nurses’ Health Study.

This cohort study explores the risk of nonfatal self-harm in French adolescents and young adults hospitalized for unintentional intoxication or injury.