Study finds loneliness, not social isolation, linked to poor health

A new study has found evidence that feelings of loneliness can contribute to a decline in mental health, well-being, and certain general health indicators.

According to World Health Organization estimates, one in six people worldwide may experience loneliness, which is defined as the distress felt when relationships do not provide the closeness or connection a person desires, as reported by Al Arabiya.

Researchers defined social isolation by the frequency and number of a person's interactions with others. Previous studies have linked both loneliness and social isolation to worsening mental and physical health, including depression and cardiovascular diseases.

The study also found that the relationship can work in the opposite direction: depression can increase feelings of loneliness, while deteriorating health may raise both loneliness and social isolation.

Evidence that depression contributes to social isolation was less consistent. Earlier studies have also shown a two-way relationship between loneliness and common mental health problems.

Increasing opportunities for social interaction can reduce isolation, but addressing loneliness requires support focused on improving the quality of relationships.