So-called unhealthy food is taken in across the world and is especially common in the Western diet plan. But in recent years it has significantly been connected to severe health issues, consisting of weight problems, type 2 diabetes, heart-related issues such as cardiovascular disease, hypertension, high cholesterol and specific types of cancer.Now, brand-new research from scientists at the University of Southern California(USC )is connecting a junk food diet plan to long-term damage to the brain.What is junk food? Though there is no
precise meaning of the term’junk food’, the general agreement is that it comprises foods, which are high in fat, sugar and salt (HFSS), with little or no dietary value.The Oxford English Dictionary defines the term unhealthy food as,”food
that has low nutritional value, usually produced in the form of packaged snacks needing little or no preparation.”Foods such as processed meats, chocolate, crisps and carbonated drinks are examples of foods often
described as processed food. Could a junk-food diet cause long-lasting damage to the brain? GettyImages/LauriPatterson Is processed food harming to brain health? A current study, led by researchers at the University of Southern California, recommends that consuming a diet plan high in processed food throughout teenage years could have lasting effects on memory function.The study observed rats on a high-fat and high-sugar diet, which is typically connected with junk food.”What we see not simply in this paper, however in a few of our other recent work, is that if these rats matured on this unhealthy food diet, then they have these memory disabilities that do not
go away,” said Scott Kanoski, professor of biological sciences at the University of Southern California Dornsife College of Letters, Arts and Sciences.The study raises additional issue as it appears these effects are long enduring and can not easily be reversed. “If you just simply put them on a healthy diet, these results unfortunately last well into adulthood
,”adds Teacher Kanoski.How was the research study performed? The research study followed on from previous scientific research, discovering links
in between poor diet and Alzheimer’s disease. It has actually previously been discovered that people who experience Alzheimer’s disease tend to have lower levels
of a neurotransmitter called acetylcholine in the brain. Acetylcholine is essential for memory and brain functions such as finding out and attention.The research study team considered what this might indicate for younger individuals who might be consuming a diet high in fat and sugar, particularly during teenage years when their brain is undergoing considerable development. By tracking the impact of the diet plan on the rats ‘levels of acetylcholine, and
running the rats through some memory screening, they understood that they might discover more about the crucial relationship in between diet plan and memory.The scientists tracked the acetylcholine levels of a group of rats on a high fat and high sugar diet plan together with a control group of rats by evaluating their brain responses to certain jobs developed to test memory. The team likewise took a look at the rats ‘brains post-mortem for indications of disrupted acetylcholine levels.
Could a junk-food diet cause long-term damage to the
brain? GettyImages/simonkr The memory tests involved letting the rats explore new things in a scene established for them. The rats were then reintroduced to the scene several days later. The scene was the exact same, except for the addition of one brand-new things. Rats on the unhealthy food diet showed indications they could not keep in mind which things they had previously seen and where they had been placed, while those in the control group revealed familiarity.” Acetylcholine signalling is a mechanism to assist them encode and remember those events, comparable to’episodic memory’in humans that permits us to bear in mind events from our past, “describes Anna Hayes, lead author of the research study.”That signal appears to not be occurring in the animals that matured consuming the fatty, sweet diet. “Teacher Kanoski went on to stress that adolescence is a really sensitive duration for the brain, when essential
modifications are taking place in development.”I don’t understand how to say this without seeming like Cassandra and doom and gloom, however sadly, some things that may be more quickly reversible throughout adulthood are less reversible when they are taking place during childhood.”However, the group found that intervention could maybe improve signs of damage to the brain. Teacher Kanoski explained that in another round of the study, the research study group took a look at whether the memory damage in rats raised on the junk food diet plan could be reversed with medication that causes the release of acetylcholine.The group utilized 2 drugs on the research study rats, PNU-282987 and carbachol, and discovered that when administered directly to the hippocampus, a brain region that manages memory, the memory ability was restored.Professor Kanoski stated more research is needed to know how memory problems from a junk food diet plan during adolescence might be reversed without pharmaceutical intervention. Source: Western diet consumption hinders memory function by means of dysregulated hippocampus acetylcholine signalling Released online: 8 March 2024 DOI: https://www.sciencedirect.com/science/article/pii/S0889159124002952?via%3Dihub Authors
: Anna M.R. Hayes, Logan Tierno Lauer, Alicia E. Kao et al. ]] > Processed food has been linked to a number of
health problems, including weight problems, type 2 diabetes and heart disease, however could it likewise trigger long-term damage to the brain
