Aging healthy with beef in your diet October 24, 2022 Staff The nutritional profile of beef can help aid consumers to age healthily. Mandy Carr Johnson is a researcher with the National Cattlemen’s Beef Association. AUDIO: Mandy Carr Johnson, NCBA … Subscribe to our Daily Email Newsletter! Get the top stories from across Muscatine, Iowa in your inbox each morning. Subscribe Loading... Thank you! You have successfully joined our subscriber list.