People with depression more likely to develop dementia as it speeds up brain ageing
PEOPLE with depression are more likely to develop dementia as it speeds up brain ageing.
Experts made the claim after studying memory loss, information processing and decision making in 71,000 people — some diagnosed as depressed and others with symptoms.
Although scientists have previously said that people with depression or anxiety are at greater risk of suffering from dementia in later life, the study is the first to link depression and overall cognitive function.
The study’s authors say the findings are important for early interventions, as it can take several decades before dementia is diagnosed. The disease currently has no cure.
Dr Darya Gaysina, of the University of Sussex, called for improved support for people with depression.
“Our findings should give the government even more reason to take mental health issues seriously and to ensure that health provisions are properly resourced.
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“We need to protect the mental wellbeing of our older adults and to provide robust support services to those experiencing depression and anxiety in order to safeguard brain function in later life.”
Researcher Amber John added: “Depression is a common mental health problem - each year, at least 1 in 5 people in the UK experience symptoms.