Moderate Drinking Associated with Brain Changes and Cognitive Decline

According to recent research, published in the journal PLOS Medicine, drinking at least seven units of alcohol per week is associated with increased iron levels in the brain, which, in its turn, may lead to cognitive decline, namely Alzheimer's and Parkinson's diseases.Moderate Drinking Associated with Brain Changes and Cognitive Decline

For the study, the research team analyzed data of 20,965 participants from the UK Biobank who reported their alcohol consumption. The participants' mean age was 55 years old and 48.6% were female. Also, the brains of these participants were scanned with the help of magnetic resonance imaging (MRI) technology.

The researchers discovered that alcohol consumption above seven units (or about 3 cans of beer) per week was associated with markers of higher iron in the basal ganglia, a group of brain regions associated with control of motor movements, procedural learning, eye movement, cognition, emotion, and more.

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