Purple Perilla for Memory: What the First RCT Shows
Can purple perilla extract improve memory? The first placebo-controlled trial found a positive signal, but missing effect sizes and zero replication limit it.
Exercise and Brain Health in MCI: What the Best Trials Show
Exercise may help preserve cognition in mild cognitive impairment, but the strongest trials show little edge for aerobics alone. Here's what the data support.
Niacinamide and Glaucoma: Does the Evidence Actually Support It?
Three studies got bundled into one 'vision breakthrough' headline. We reviewed each one: no controls, no human data, and a disease 1 in 25,000 people have.