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This review examines how the bed nucleus of the stria terminalis (BNST) regulates anxiety through multiple neural circuits and subregions that modulate stress response. It discusses molecular mechanisms, neural pathways involved in anxiety genesis, and how modern neuroimaging techniques like fMRI and PET are advancing understanding of BNST's therapeutic potential.
A 61-year-old patient with treatment-resistant hypertension and anxiety following thyroidectomy was treated with a multimodal approach combining antidepressants, transcranial magnetic stimulation, biofeedback, and psychotherapy, achieving significant reductions in blood pressure (176/105 to 125/72 mmHg) and anxiety severity. The case illustrates the bidirectional neuroendocrine relationship between anxiety and hypertension, with improvements sustained at 6-month follow-up and reduced antihypertensive medication requirements.
A pilot study of 10 participants with social anxiety disorder received an eight-session group therapy combining mindfulness training with cognitive-behavioral techniques including cognitive restructuring and exposure exercises. Participants showed significant improvements in anxiety symptoms, cost/probability biases, depression, and mindfulness skills with large effect sizes, though the small sample and lack of control group require larger studies for confirmation.
A critical review of venlafaxine's efficacy in generalized anxiety disorder notes that while a randomized controlled trial showed statistical significance, the magnitude of improvement may lack clinical meaningfulness. Methodological limitations including placebo responder exclusion, comorbid depression inclusion, and high discontinuation rates due to adverse events question the medication's practical risk-benefit profile.
This nationally representative study of 3,251 Korean adults found a dose-response relationship between the number of weight control methods used and anxiety symptoms (GAD-7 scores). Specific methods including fasting, over-the-counter diet pills, supplements, and mono-diets were associated with elevated anxiety risk, particularly among underweight or normal-weight individuals.