There seems to be almost nothing new here. I see that the main studies the they cite are actually from the 2010s:

https://www.bmj.com/content/350/bmj.h68.abstract

https://www.sciencedirect.com/science/article/abs/pii/S13899...

I'd be curious to see if there's been any larger scale follow up on this since.

well it's a review article