HEALTH NEWS   ·         Dark chocolate polyphenols could yield small benefit for people with PAD ·         Your Plate Is Your Medicine Cabinet: How Ancient Wisdom Is Transforming Modern Diets ·         Aging suddenly speeds up when you turn 44 and 60 ·         Chinese botanical medicine eases a cancer treatment side effect ·         Chronic loneliness may increase stroke risk among older adults ·         Understanding the role of an omega-3 fatty acid in the prevention of arrhythmias