Wednesday assorted links

1. “Our results suggest that physicians do only slightly better in adhering to both low- and high-value care guidelines than non-physicians – but not by much and not always.”

2. Fentanyl is putting Mexican poppy growers out of work (NYT).

3. “…the US dollar’s role as an international and safe-haven currency has surged since the global financial crisis.”

4. Did austerity induce Brexit?

5. “Our results indicated that 99.6% of the variability in adolescent girls’ satisfaction with life had nothing to do with how much they used social media.” (NB: not the only perspective on this).

6. “Immigrants who move from a country with a higher GDP per capita have higher mortality rates.“