Actually it's been pretty heavily debated whether that effect actually exists at all: http://www.webmd.com/parenting/features/busting-sugar-hyperactivity-myth h

Actually it's been pretty heavily debated whether that effect actually exists at all: http://www.webmd.com/parenting/features/busting-sugar-hyperactivity-myth http://www.webmd.com/parenting/features/busting-sugar-hypera...