Effects of prolonged TV watching on your brain

A recent study published in the journal "Alzheimer's and Dementia" indicates that spending long hours in front of the television harms brain health, as it reduces gray matter volume and increases the risk of cognitive decline, Alzheimer's disease, and dementia. The results showed that men who watch television for extended periods are more susceptible to negative changes in brain size compared to women, due to men's tendency to remain in front of the TV for prolonged stretches. Meanwhile, it was observed that cognitive activities such as reading and desk work enhance the brain's cognitive reserve, whereas watching TV remains a mentally passive activity. Additionally, engaging in sports does not eliminate the negative effects of excessive TV exposure, as brain activity during sitting is as important as the duration of sitting itself.

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