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'Safe' stem cell therapy may help stroke recovery
Conclusion This study provides evidence that a new technique using a patient's own stem cells to aid the recovery from severe ischaemic stoke is feasible and appears to be safe. It was not designed to test whether the technique was better than doing nothing or better than other types of care or treatment. The authors are perfectly clear that this "proof-of-concept study was not designed with a control group or powered to be able to detect efficacy". This means we cannot be sure that the improvements seen in the five patients were caused by the stem cell treatment. They could have occurred anyway as part of the na...
Source: NHS News Feed - August 11, 2014 Category: Consumer Health News Tags: Genetics/stem cells Heart/lungs Source Type: news

Test could give two-year warning for Alzheimer's
Conclusion The researchers suggest that Alzheimer's disease can be predicted with an accuracy of 87.5% when thinning of the cortex in the right anterior cingulated gyrus is seen on MRI, alongside test results suggesting problems with recall and recognition. This research does not indicate a new "test", as MRI and psychological testing are standard procedures when investigating the signs and symptoms of dementia. What is novel in this approach is looking at a specific combination of results as a potential way of predicting which people with MCI may develop Alzheimer's disease. While this form of testing would be b...
Source: NHS News Feed - December 9, 2013 Category: Consumer Health News Tags: Neurology Source Type: news

Cannabis linked to brain differences in the young
Conclusion This study found differences between young recreational cannabis users and non-users in the volume and structure of the nucleus accumbens and amygdala, which have a role in the brain’s reward system, pleasure response, emotion and decision making. However, as this was only a cross sectional study taking one-off brain scans of cannabis users and non-users, it cannot prove that cannabis use was the cause of any of the differences seen. It is not known whether cannabis use could have caused these changes in regular users.   Or conversely whether the cannabis users in this study had this brain structure to sta...
Source: NHS News Feed - April 16, 2014 Category: Consumer Health News Tags: Mental health Neurology Source Type: news

No such thing as baby brain, study argues
Conclusion The researchers conclude that although the pregnant women reported memory problems, these did not show up on their tests. However, this does not take into account their pre-pregnancy ability. The women may have performed better before they got pregnant, which is why they are now reporting memory problems. None of these women were tested before they got pregnant, which is the major limitation of the study. The researchers say that because there were a similar number of students in each group, the women in the control group was a good enough representation of how the pregnant women would have performed pre-pregna...
Source: NHS News Feed - April 8, 2015 Category: Consumer Health News Tags: Mental health Neurology Pregnancy/child Source Type: news