Recruiters in the global job market today get a lot of resumes from people who have double or triple majored in various business subjects and that conform to the traditional path and expectations for business students.
And in a study published last year, researchers in Australia showed in a double-blind, placebo-controlled trial that subjects with suspected gluten sensitivity had substantially fewer symptoms on a gluten-free diet than control subjects who unknowingly ingested gluten.
The real truth of the matter is that any system of taxation which subjects the same income stream to the tax regimes of two countries is double taxation.