May protect your brain as you age

May protect your brain as you age

Preliminary studies suggest that apple juice may support brain function and mental health as you age.

Some of this protection may be due to the antioxidant activity of the polyphenols found in the juice. They may shield your brain from damage by unstable molecules called free radicals (8Trusted Source, 13Trusted Source).

In a series of studies, older mice were given daily apple juice that was equivalent to 2‒3 cups (480‒720 ml) for a human. When the mice consumed the juice for one month, they:

performed significantly better on maze-based memory tests, compared to a control group that didn’t receive the juice (14Trusted Source)
maintained brain levels of acetylcholine, a nerve messenger that’s important for memory and good mental health and that tends to decline in aging — as was the case in the control group in this study (15Trusted Source)
suppressed an increase in beta-amyloid protein fragments in the brain, which are associated with brain damage in Alzheimer’s disease (16Trusted Source)
Additionally, when people with Alzheimer’s disease drank 1 cup (240 ml) of apple juice daily for 1 month, their behavioral and mental symptoms — like anxiety, restlessness, and false beliefs — improved by 27%. However, memory and problem solving didn’t improve (17Trusted Source).

Further human studies are needed to confirm the benefits of apple juice for brain function and clarify how much would be needed for this purpose.

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