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Probiotics help those with Alzheimer's

Press AssociationPress Association 10/11/2016

Probiotics may help improve thinking and memory skills among people with Alzheimer's disease, new esearch suggests.

The study found that taking the supplements - which are available as drinks and pills - for just 12 weeks were linked to "moderate but significant" improvements in cognitive function scores.

The small study on 52 men and women with Alzheimer's disease saw half consume a daily 200ml milk drink enriched with four probiotic bacteria.

The other half of the group had a daily milk drink containing no probiotics.

Before the start of the study, the participants gave blood samples and were tested for cognitive function using a standardised questionnaire known as the Mini Mental State Examination (MMSE).

This includes tasks such as stating what the date is, counting backwards from 100 by sevens, naming objects, repeating a phrase and copying a picture.

All the tests were repeated after the 12 week study to see if there were any improvements in people's scores.

The results showed that the average score on the MMSE questionnaire significantly increased in the treatment group, from 8.7 to 10.6, out of a maximum of 30.

There were no improvements in the non-treatment group (scores fell from 8.5 to 8.0).

All the people, who were aged 60 to 95, remained severely cognitively impaired but experts behind the research said the results showed the impact of probiotics over just a short period.

Professor Mahmoud Salami, senior author on the study from Kashan University in Tehran, Iran, said: "In a previous study, we showed that probiotic treatment improves the impaired spatial learning and memory in diabetic rats, but this is the first time that probiotic supplementation has been shown to benefit cognition in cognitively impaired humans."

He said the treatment with probiotics also resulted in lower levels of fat and cholesterol in the blood, alongside other potential markers of disease.

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