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SAGE Research on AgingMay 26, 2026Danette L. Myers, Ranjini Mohan, Yashwant Singh Katailiha1Department of Health Informatics and Information Management, 7174Texas State University, Round Rock, TX, USA2Department of Communication Disorders, 7174Texas State University, Round Rock, TX, USA3Department of Information Systems and Analytics, 7174Texas State University, San Marcos, TX, USA

Health Literacy Shapes Clinical Communication in Aging

Health literacy and cognitive function significantly shape how older adults perceive and engage with healthcare communication, with implications for treatment adherence and clinical outcomes. Patients with lower health literacy or declining cognitive capacity report less satisfactory interactions, suggesting that communication strategies must be tailored to these variables rather than applied uniformly.

Key Points

  • Health literacy independently predicts perception of provider communication quality
  • Cognitive function moderates how patients interpret medical information
  • Mismatch between provider communication and patient capacity reduces engagement

Longevity Analysis

The ability to interpret and act on medical guidance is foundational to any long-term health strategy. When patients cannot decode what providers are communicating—whether due to health literacy gaps or cognitive decline—the most evidence-based interventions fail. This research identifies a critical interference pattern: the breakdown occurs not in the treatment itself but in the signal transmission between practitioner and patient. Optimizing this channel requires providers to assess and adapt to the actual cognitive and literacy capacity present, not assume uniform comprehension. For older adults pursuing longevity strategies, recognizing one's own baseline in these domains and seeking providers skilled in adaptive communication directly affects whether recommendations translate into sustained behavioral change.

Consciousness · Nervous SystemDecode · Eliminate · Execute
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Original published by SAGE Research on Aging, by Danette L. Myers, Ranjini Mohan, Yashwant Singh Katailiha1Department of Health Informatics and Information Management, 7174Texas State University, Round Rock, TX, USA2Department of Communication Disorders, 7174Texas State University, Round Rock, TX, USA3Department of Information Systems and Analytics, 7174Texas State University, San Marcos, TX, USA.