Describe the neurobiological of general anxiety disorder. Include genetics, neurotransmitters, neuroanatomical changes, current

 1- Describe the neurobiological of general anxiety disorder. Include genetics,
neurotransmitters, neuroanatomical changes, current  theories of the cause of the disease, and cultural factors if it's involved.) 

2-  what is the neurochemistry action of escitalopram, (SSRI, first line of treatment for generalized anxiety disorder), side effects to monitor, expected benefits for the patient, and contraindications.

3- Describe the benefit of behavior therapy in the treatment of general anxiety disorder. 

4- Why did you need to check this patient with general anxiety urine toxicology and thyroid function test?  

5- do you think that benzodiazepine-like clonazepam (Klonopin) 0.25 mg PO daily, can help the patient's symptoms of anxiety?

why or why you will not use benzodiazepines in this 23-year-old patient? what criteria do you use to make this decision?

Use APA and Include references from at least 3 sources  including the article
from a journal, no older than 5 years.