A study by researchers at the University of Bergen, Norway, and the Institute of Psychiatry (IoP) at King’s College London has found that depression is as much of a risk factor for mortality as smoking.
Utilising a unique link between a survey of over 60,000 people and a comprehensive mortality database, the researchers found that over the four years following the survey, the mortality risk was increased to a similar extent in people who were depressed as in people who were smokers.
Dr Robert Stewart, who led the research team at the IoP, explains the possible reasons that may underlie these surprising findings: ‘Unlike smoking, we don’t know how causal the association with depression is but it does suggest that more attention should be paid to this link because the association persisted after adjusting for many other factors.’
The study also shows that patients with depression face an overall increased risk of mortality, while a combination of depression and anxiety in patients lowers mortality compared with depression alone. Dr Stewart explains: ‘One of the main messages from this research is that ‘a little anxiety may be good for you’.
2 Comments
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November 18, 2009 at 2:38 am
Maybe making a law against depression would help. Look how much laws about smoking have helped.
November 18, 2009 at 4:47 pm
I don’t know. If we made tobacco completely illegal, it would probably be a big help to the economy of Mexico.