Why It Was Easier to Be Skinny in the 1980s (2015) (theatlantic.com)

Couldn't read to the end of the article but I was thinking it would simply say "cocaine."

Not sure how much it matters, but the title could use a [2015].

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This article is pretty light on details. Do we have data comparing sample microbiomes taken in the 80's compared to today? Are the specific bacterial species that have been identified that prevent or promote weight gain? Is there research into restoring the microbiome?