Reference(s)
Source:
http://www.hsph.harvard.edu/nutritionsource/carbohydrates/carbohydrates-and-blood-sugar/
Source:
http://www.foodforthebrain.org/media/229763/fftb.pdf
Source:
Concentration and attention span (Pg35)
Cetin and Koletzko, 2008; Decsi and Koletzko, 2005; Helland et al., 2008
Source:
http://www.nhs.uk/Livewell/5ADAY/Pages/Why5ADAY.aspx