The current analysis revealed that those with higher levels of iron in the brain were also more likely to have had cognitive issues. “In a separate study we did, however, we found linear harmful associations - as in no evidence for any safe level over zero ,” she added. Topiwala, “we didn’t find evidence for higher iron at four units and above, only seven units and above.” This would be about three beers in a week. The researchers found that individuals drinking seven or more alcoholic units per week - a moderate level of consumption - exhibited markers of increased accumulations of iron in their brain. The study was published in PLOS Medicine. Understanding the mechanism of damage is of course important if you want to be able to intervene in patients.” Topiwala, “is that elevated iron is a possible mechanism by which alcohol could damage the brain and lead to memory problems. I was intrigued to see if a similar phenomenon occurred in moderate drinkers.” “I’ve been interested in the possibility of iron being responsible for alcohol-related brain damage since I read a small study in male alcohol-dependent individuals where they observed higher iron. Anya Topiwala, of the Department of Psychiatry at the University of Oxford in the U.K., told Medical News Today: The corresponding author of the study, Dr. Associations do, however, regularly point researchers to further avenues of exploration. As with all observational studies such as this, associations may be drawn, but determining causality must be proven by controlled studies. The researchers analyzed existing UK Biobank data for 20,729 people. The study hints that alcohol consumption may be responsible for the iron buildup, and in turn could be responsible for cognitive decline. A new, large, observational study suggests that drinking is associated with an iron buildup in the brain, and both are associated with cognitive decline. It has long been understood that the consumption of alcohol can damage the brain.
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