Informal caregivers—adults providing unpaid medical or physical care to family or friends with adult-onset conditions—are essential yet often unrecognized contributors to U.S. health care. One in four adults serve as caregivers, providing care valued at over $600 billion (AARP 2025). Despite their vital role, many lack training, social support, and connection to professional care networks. Public health professionals can promote sustainable, whole-person care by integrating caregiver training and referral systems into practice
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