Phospholipids: Structural Lipid Strategies for Membrane Integrity and Systemic Homeostasis Supporting Cognition in Aging, Improving Omega-3 Utilization in Digestive Impairment, Enhancing Cardio-metabolic and Reproductive Health, and Managing Chronic Inflammation 0009-0007-5798-1996 DOI: 10.5281/zenodo.16903783