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Sources:
http://www.ncbi.nlm.nih.gov/books/NBK47168/
https://www.drugs.com/drug-class/beta-adrenergic-blocking-agents.html
http://www.nature.com/scitable/topicpage/gpcr-14047471
http://www.nhs.uk/Conditions/Beta-blockers/Pages/Introduction.aspx
http://www.nimh.nih.gov/health/publications/panic-disorder-when-fear-overwhelms/index.shtml
http://www.currentpsychiatry.com/home/article/performance-anxiety-how-to-ease-stage-fright/40ca615e9165e7348a2870639197051c.html
https://www.bhf.org.uk/heart-matters-magazine/medical/drug-cabinet/beta-blockers
Drugs that treat heart failure are also prescribed for anxiety? What’s up with that?