(Agence France-Presse) Older people who look on the darker side of life tend to live longer than optimists, who in turn face an increased risk of illness and mortality, a new study by a German research institute found on Thursday.

Researchers in Germany and Switzerland found that older people who believe their life satisfaction will be above average in future face a 10-percent higher mortality risk or are more likely to develop physical health problems, the DIW think-tank said.

“It is possible that a pessimistic outlook leads elderly people to look after themselves and their health better and take greater precautions against risks,” said one of the researchers, Frieder Lang.

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