[quote=@Penny]
Does patriotism have positive effects that people can think of?
[/quote]

https://www.livescience.com/12791-happiness-linked-patriotism.html

http://www.huffingtonpost.co.uk/2012/06/01/health-diamond-jubilee-patriotism-good_n_1561657.html

In a report for Psychological Science, Matthew Wright, a political scientist at American University, and Tim Reeskens, a sociologist from Catholic University in Belgium found that more national pride correlated with greater personal wellbeing.

Literally more likely to mean, you're a happier (and likely healthier) person? :/ (Sort of makes sense really...)

http://rheg.vastserve.com/articles/patriotism-benefits.htm

Here's a whole page. :P