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The study indicates that spending long hours watching television, especially in middle age, is linked to negative changes in the brain, similar to those seen in the early stages of Alzheimer's disease, with clear differences between men and women. Researchers found that men who watch television extensively tend to have smaller brain volumes in regions associated with dementia and experience greater brain tissue damage. These effects were not as pronounced in women, despite them generally watching more TV overall. The study emphasizes that passive mental activity during viewing is the main factor, and that active mental activities like reading or solving puzzles can help reduce the negative impact of television watching on the brain. The findings suggest that prolonged sitting alone is not harmful if it is accompanied by engaging in mental activities. The researchers stressed the importance of further research to better understand this relationship.
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