Comment by j374

There is a fairly comprehensive summary of recent research on [1] (not sure who curated it). Since then there has also been a significant metabolic study [2].

1. https://drive.google.com/file/d/0B_Dn3IXWlI9fR01QamdNeUNqZjA...

2. http://www.pnas.org/content/113/37/E5472.full.pdf