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tVNS Alters Effort and Reward Decisions in Severe Depression

Photoreal illustration of an ear-clip vagus nerve stimulation electrode, with neural pathway motifs representing reward-effort circuits.

An ear-clip that modulates mood by stimulating the vagus nerve has obvious appeal — but the evidence base for non-invasive tVNS in depression has been mixed for a decade. A 2026 cross-over RCT by Forbes et al. sharpens what specifically tVNS does well.1 Research Highlights Transcutaneous vagus nerve stimulation (tVNS) is a non-invasive ear-electrode version …

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Genetic Risk for Low Vitamin D Linked to Lower Social Motivation in First-Episode Psychosis (2024 Study)

Recent research reveals a notable association between vitamin D levels and the severity of negative symptoms in individuals with first-episode psychosis (FEP). A new study explored the genetic predisposition towards lower vitamin D levels and its impact on symptom severity in schizophrenia and related disorders. Highlights: Vitamin D & Psychosis Connection: Lower levels of vitamin …

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Phentermine For ADHD: An Uninvestigated Treatment

Phentermine is an anorectic medication utilized principally for the short-term treatment of obesity as an adjunct to caloric restriction, dietary modifications, and physical exercise.  It is formally classified as a psychostimulant due to the fact that it increases mental and physical arousal [via sympathomimetic mechanisms].  Specifically, phentermine facilitates central and peripheral catecholamine release (primarily of …

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Vyvanse For Depression: Lisdexamfetamine As An Adjunct Treatment

Vyvanse (Lisdexamfetamine) is a drug developed by Shire Pharmaceuticals as a successor to Adderall.  Vyvanse was first approved for the treatment of attention-deficit/hyperactivity disorder  (ADHD) in 2007.  In 2015, Vyvanse was approved for binge eating disorder and was found to successfully minimize appetite and number of binge eating episodes per week compared to a placebo. …

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Strattera & Weight Loss: What You Should Know

Strattera (Atomoxetine) is a relatively well-known NRI (norepinephrine reuptake inhibitor) that is commonly used for the treatment of ADHD. Its mechanism of action involves inhibiting the reuptake of the neurotransmitter norepinephrine, thereby increasing extracellular levels. This tends to result in a stimulating effect, which boosts overall cortical activity and helps improve cognitive function among those …

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