Sarah Stewart-Brown, Sunday, November 11, 2012

Eating fruit and vegetables could be good for your mental health. This column explores the evidence, arguing that better surveys need to be carried out if we are to accurately establish causality. If we can understand how mental health is linked to diet, the benefits to the public – and those who decide public policy – could be huge.

Jan van Ours, Jenny Williams, Saturday, September 19, 2009

There is growing evidence of a link between mental health problems and cannabis use. Is it causal? This column shows that cannabis use, particularly frequent use, does have an adverse effect on mental health. Unobserved factors that make individuals more likely to use cannabis do also make them more susceptible to mental illness, but using marijuana has an additional causal impact.

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