Needs a lot more arguments to tie that to a rising iron deficiency, or any rising deficiency.
There have been many changes in the consumption pattern in the last century.
Many fruits & vegetables where not available year round, so even if they have less mirconutrients, orange, bananas, strawberries, etc. used to not be consumed as much as now.
There's also been a huge drop in the consumption of organ meats, which contain much more vitamin and minerals then most vegetables (with the exception of vitamin c).
There have been many changes in the consumption pattern in the last century.
Many fruits & vegetables where not available year round, so even if they have less mirconutrients, orange, bananas, strawberries, etc. used to not be consumed as much as now.
There's also been a huge drop in the consumption of organ meats, which contain much more vitamin and minerals then most vegetables (with the exception of vitamin c).