Research from The Journal of the American Medical Association's new study found that a few cups of caffeinated coffee or tea a day could lower dementia risk later in life. It comes amid another study from Alzheimer's & Dementia journal about the positive impacts of brain training video games. David Muir reports. https://abcworldnewstonight.visitlink.me/qamdSB | ABC World News Tonight with David Muir

President of American Medical Association Dr. Bobby Mukkamala: “The newly issued Dietary Guidelines for Americans reinforces what science and clinical experience have long shown: choosing protein-rich whole foods, while limiting heavily processed foods that are high in sodium and added sugar can help slow or reverse our nation’s growing chronic disease burden.” | U.S. Department of Health and Human Services

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