Update and rename leisure.md to recreation.md

miscellaneous/recreation.md

@@ -1,6 +1,6 @@
-## Leisure
+## Recreation
 
-#### Various forms of leisure activities are strongly associated with physical and mental health benefits — go for a walk outside
+#### Various forms of recreational activities are strongly associated with physical and mental health benefits — go for a walk outside
 
 *   [Pressman et al. 10](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2863117/)
     *   Leisure activities are an important contribution to wellbeing.
@@ -16,4 +16,8 @@
    * *"Of five neighborhood nature characteristics tested, vegetation cover and afternoon bird abundances were positively associated with a lower prevalence of depression, anxiety, and stress."*
    * From cited: *"The positive association between birds, shrubs and trees and better mental health applied, even after controlling for variation in neighbourhood deprivation, household income, age and a wide range of other socio-demographic factors."*
    * This study also references several others which come to similar conclusions about the effects of various environmental factors on wellbeing.
-   
+* [Flavin 19](https://www.sciencedirect.com/science/article/abs/pii/S0049089X18302801?via%3Dihub) [(cited)](https://www.sciencedaily.com/releases/2019/01/190107075713.htm)
+   * Americans are happier in states that spend more on public goods
+   * *"Robust evidence [suggests] that citizens report living happier lives when their state spends more (relative to the size of a state's economy) on providing public goods"*
+   * This includes libraries, parks and recreation, natural resources, highways (only regular, not toll), and police protection
+