This article is more self-aggrandizing than I like, but this part of it is also the clearest reason immigration helps nonmigrants https://fullstackeconomics.com/planning-on-retiring-thank-a-parent/

We have just published a #scopingreview, which shows that migrants have higher #prevalence of #anxiety, #psychologicaldistress and #depression compared to #nonmigrants in Australia. We have also identified #riskfactors associated with these conditions in this paper.

The author explores how nonmigrants in Uriangato, a Mexican city with migration ties to the United States, use 'the imagined world of migration not only to interpret and anticipate the possibility of migration but also to negotiate their immediate contexts'.

Delighted to find an Ortolan at Porthgwarra this pm (thanks, easterlies) but utterly entranced by migrant lepidoptera. Clouded Yellows everywhere, Ladies and Admirals by the fieldful, Rush Veneers, Silver Ys and RDPs everywhere plus Vestal. Of nonmigrants, impressed by Hornet Robberflies!