Tag: cognitive aging
L-Arginine’s Hidden Role: From Vascular Function to Alzheimer’s Protein Dynamics
L-arginine extends its biological influence far beyond vascular regulation into unexpected domains: cerebral blood flow, cognitive performance, and amyloid-β protein…
Placebo effect improves memory and physical performance in older adults, even when patients know pills are fake
Healthy older adults showed measurable improvements in memory and physical performance after three weeks of placebo treatment, even when they…
How Muscle Signals Protect the Brain: The Emerging Science of Myokines
Muscle contraction releases signaling molecules called myokines that protect brain health, support memory, and counteract cognitive aging. Different exercise types…
Daily Peanut Consumption Reverses a Decade of Age-Related Brain Blood Flow Decline
Consuming 60 grams of skin-roasted peanuts daily improved cerebral blood flow by 4% in older adults — a magnitude equivalent…
Resistance Training Protects Brain Health Through Multiple Pathways, Research Shows
Resistance training activates seven biological pathways that protect brain health and reduce dementia risk, according to Allison et al. (2025).…
Aerobic Exercise Reverses Age-Related Hippocampal Shrinkage in Older Adults
A 12-month aerobic exercise trial published in PNAS reversed age-related hippocampal shrinkage in older adults, with participants gaining 2% in…
Diabetes and Dementia: New Evidence Reveals Bidirectional Risk and Potential Neuroprotection
Mounting evidence reveals that diabetes and dementia share bidirectional pathophysiological pathways involving impaired glucose metabolism, chronic inflammation, and vascular dysfunction.…