Mar 25, 2026SleepSleep Disruption, Tau, and Alzheimer’s Risk: What We KnowPoor sleep tracks with tau and Alzheimer's biomarkers, and a randomized trial found sleep lowers CSF tau. But prevention claims remain unproven.tau proteinalzheimer's diseasesleep deprivationcognitive declineRead article →
Mar 9, 2026Mental HealthL-Theanine and Caffeine for Focus: What the Evidence ShowsL-theanine plus caffeine can improve attention and reaction time, especially under sleep loss. Here's what human trials support—and what they don't.l-theaninecaffeinesleep deprivationattentionRead article →