Like soda intake being associated with increased risk of depression (see next section), higher sweet beverage intake, including juice, is associated with preclinical signs of Alzheimer’s disease. Just two sugary drinks per day are equivalent to two years of brain aging when compared to abstaining from these drinks completely. One drink per day, including fruit juice, is also associated with less total brain volume, hippocampal volume, and poorer performance on episodic memory tests.
