HEALTH NEWS   ·         Eating a Mediterranean-style diet improved brain health in study of Hispanic/Latino adults ·         Omega-3 improves endothelial function in people with metabolic syndrome ·         Intermittent fasting aids some outcomes for postmenopausal women with rheumatoid arthritis ·         New study finds high concentrations of plastics in the placentae of infants born prematurely ·         Poor diet choices associated with faster biological aging ·         The big chill: Is cold-water immersion good for our health?