What do the studies actually show about binaural beats?Listening to binaural beats appears to shift anxiety and some cognitive measures, with the best pooled estimate landing at a medium effect. The mechanism usually offered for it, that the beats pull your brainwaves into step, holds up poorly under review. Most trials are small and vary so widely in method that pooling them is difficult.4 sources checkedWhich brain health supplements have real evidence behind them?Two hold up modestly. A daily multivitamin produced a small memory and cognition benefit across more than 5,000 people, and creatine shows a small effect on memory. Two of the most popular have been properly tested and failed: omega-3 produced no cognitive benefit in a 4,218 person trial, and ginkgo produced none across 3,069 people followed for six years.4 sources checked
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