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This is an interesting claim but after reading the article I feel like I came out having learned nothing more than I did from reading the headline.

What genes were involved? What was the methadology? What is the correlation rate between these genes and the mental disorders. Given that things like autism and depression are so different, what is the physiological impact of having these genes - ie do they regulate a certain hormone, the strucutre of certain neurons?

The Press Release links to the article. This research is published in Psychological Medicine (DOI:10.1017/S0033291719001776). You can follow the link or resolve the DOI, it's an open access article and you can read the original: https://www.cambridge.org/core/journals/psychological-medici...

Like most papers in the field, they mined data and found some correlations, then wrapped a sketchy narrative around it. I wouldn't place too much emphasis on findings like these and actual mechanistic functionality of psychiatric disorders.

(my background includes lots of genomics and health, and I am profoundly disappointed to see press releases that overstate the significance of findings).