Eating Junk Food Regularly Might Shrink the Size of Your Brain

by Dr. Trupti Shirole on  September 15, 2015 at 4:58 AM Lifestyle News
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The part of the brain that is integral to learning, memory and mental health is smaller in people who regularly consume junk food or unhealthy foods such as sweet drinks, salty snacks and processed meats, revealed a new research. Although the study was conducted in adults over 60 years of age, the research team believes that the findings are relevant for people of all ages, including children.
 Eating Junk Food Regularly Might Shrink the Size of Your Brain
Eating Junk Food Regularly Might Shrink the Size of Your Brain

Lead study author Felice Jacka, associate professor at Deakin University School of Medicine in Geelong, Australia, said, "We have known for some time that components of diet, both healthy and unhealthy, have a rapid impact on aspects of the brain that affect hippocampal size and function, but up until now these studies have only been done in rats and mice. This is the first study to show that this also appears to be the case for humans."

For the study, researchers used magnetic resonance imaging to measure the size of hippocampi (there are two in the brain - left and right) in Australian adults aged 60-64 years. The findings suggested that older adults who ate more unhealthy foods had smaller left hippocampi, while those who ate more nutrient-rich foods, such as vegetables, fruits and fish, had larger left hippocampi.

Jacka said, "These findings have relevance for both dementia and mental health. As the hippocampus is critical to learning and memory throughout life, as well as being a key part of the brain involved in mental health, this study underscores the importance of good nutrition for children, adolescents and adults of all ages."

The study was published in BMC Medicine.

Source: IANS

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