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Casting doubt on advantages for bilinguals n executive function tasks

Two seemingly contradictory investigations. People with lower blood sugar fared better at memory tests, but is there a direct link between better memory and sugar, or is lower sugar levels indicative of greater dietary awareness, which may accompany better general awareness, including a metacognitive awareness propitious to all cognitive functions, including memory? Then a link to a report suggesting CHOCOLATE is good for the memory! WHat's the answer? Sugar-free chocolate?!

Left / Right Brain bollocks. A study shows fairly conclusively that the idea one side of our brain is more dominant than the other - and by extension, that this dictates what kind of person you are - is little more than a myth.

A perfect example of the kind of unmitigated rubbish spouted by 'brain-friendly' educators, who fail to acknowledge the sheer complexity of the brain, and the need for multiple modules of the brain to be employed in a simple task such as discerning differences in a picture.

Bilingual speakers can switch languages seamlessly, likely developing a higher level of mental flexibility than monolinguals, according to Penn State linguistic researchers.