Does chewing gum actually improve focus?
Students and office workers swear by chewing gum for focus. But does the act of chewing actually sharpen your mind, or is it just a placebo?
- Claim
- CHEWING GUM FOR FOCUS?
- Catch
- SMALL EFFECT
- Verdict
- NOT A STUDY HACK
A 2008 study in Appetite had 50 students chew gum or not during a 30-minute test. Gum chewers scored slightly better on alertness and attention tasks — but only in the first half. The effect faded as the test went on.
A 2015 review of 22 studies found gum gives a small, short-lived boost to alertness and simple reaction time — about 3 to 5 percent. But it does not help memory, complex reasoning, or sustained attention. The benefit vanishes after 15 to 20 minutes.
The catch: the effect is tiny, temporary, and only for simple alertness — not real focus or learning. It may just be the sensory stimulation waking you up. Sugar-free gum avoids cavities but some sweeteners cause gut issues. Not a study hack.
SOURCES
- Hirano Y, et al. Effects of chewing gum on cognitive function. Appetite. 2008;50(2-3):370-374.
- Allen AP, et al. Chewing gum and cognitive performance: a review. Nutr Neurosci. 2015;18(7):283-292.
- Smith A. Effects of chewing gum on cognitive function, mood and physiology. Nutr Neurosci. 2010;13(1):7-16.
For information only, not medical advice.
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