Scientific Alert: Excessive TV Risks Brain Damage
A 24-year-long study confirmed that spending extended hours in front of the television is linked to changes in brain structure, especially in men, increasing the risk of cognitive decline and Alzheimer’s disease. The study showed that men who frequently watched television in midlife had smaller sizes in brain regions susceptible to the disease, as well as white matter damage associated with decreased cognitive abilities and dementia. Researchers found that the impact of watching television was more evident in men because the activity during viewing was primarily passive mental engagement, unlike office work that involves reading, planning, and problem-solving. Scientists believe that engaging in mental activities helps build cognitive reserve, which enhances resistance to the effects of aging—a benefit that excessive television watching does not provide.
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