Their methodical approach to rule out medical causes – such as thyroid, heart and other hormonal problems – and then diagnose an anxiety disorder is a positive approach to diagnosing an anxiety condition. The good news is … January 20, 2016. Genes play a crucial role over time although environmental factors matter most in the short term, according to a major study into social anxiety and avoidant personality disorders from the Norwegian Institute of Public Health. Share this:Click to share on Pinterest (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)Like this:Like Loading...