Frontiers in Public Health
Loneliness among community-dwelling older adults across biological, clinical and psychosocial domains before and during the COVID-19 pandemic: a systematic review
Background Loneliness is a subjective and distressing experience resulting from a discrepancy between desired and actual social relationships and represents an important public health concern among community-dwelling older adults. Although it can occur throughout the life course, older adults are particularly vulnerable because of age-related conditions such as multimorbidity, mobility limitations, sensory impairments, widowhood, and retirement. These factors highlight the need to understand loneliness as a multifa …