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Nutrition and Aging

What signs of malnutrition should caregivers look for in older adults?

Publication Date: 19 November 2025

Summary:

This resource highlights the vital role caregivers play in preventing and managing malnutrition among older adults—a condition that affects up to 50% of this population. Aging introduces physical changes, mental health challenges, and social or economic barriers, all of which make it harder for older adults to meet their nutritional needs. By recognizing the signs and providing support, caregivers can help older adults maintain strength, independence, and overall well-being.

Key Takeaways:
  • Malnutrition in older adults can lead to serious consequences, including increased health complications, falls, hospital readmissions, higher healthcare costs, and reduced quality of life.
  • Caregivers should watch for key warning signs, such as changes in eating habits, decreased fluid intake, unintentional weight loss, financial struggles, and reduced ability to shop, cook, or feed themselves.
  • Caregivers play an important role by supporting cost-savings strategies, making mealtime enjoyable, and assisting with meal planning and preparation.
Related Questions & Answers
  • Why is malnutrition a concern for older adults?
    Up to 50% of older adults are at risk for malnutrition, which can lead to more health complications, falls, hospital readmissions, higher healthcare costs, and reduced quality of life.
  • What are the main causes of malnutrition in aging?
    Aging introduces physical changes (loss of muscle, sensory decline, poor dentition), mental health issues (memory loss, dementia, depression), economic challenges (limited income, food insecurity), and emotional factors (social isolation).
  • What warning signs should caregivers look for?
    Significant changes in eating habits, decreased fluid intake, unintentional weight loss, financial struggles, limited ability to shop or cook, signs of weakness, confusion, and reduced social contact.
References:
  • World Health Organization. Ageing and Health.
  • World Health Organization. Malnutrition.
  • Deutz NEP, et al. J Am Med Dir Assoc. 2019;20(1):22-27.
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