Loneliness is bad for heart health: new study

(Science News) — Loneliness is a strong predictor of premature death, worse mental health, and lower quality of life in patients with cardiovascular disease, according to a new study.

“Loneliness is more common today than ever before, and more people live alone,” said study author Anne Vinggaard Christensen, a Ph.D. student in the Copenhagen University Hospital, Denmark.

“Previous research has shown that loneliness and social isolation are linked with coronary heart disease and stroke, but this has not been investigated in patients with different types of cardiovascular disease.”

Christensen investigated whether poor social network was associated with worse outcomes in 13,463 patients with ischemic heart disease, arrhythmia, heart failure or heart valve disease.

She used data from national registers and the DenHeart survey, which asked participants to answer a questionnaire about their physical and mental health, lifestyle factors such as smoking, and social support. (…)

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