A recent study published in a medical journal found that people who watched TV frequently in midlife had smaller brain volumes decades later in areas involved in language and thinking. The study analyzed data from over 1,700 participants and found that those who reported watching TV “very often” had smaller volumes in several brain regions, including areas involved in cognitive control and language.

Key Findings

The study also found that sedentary activity at work was not linked to the same brain changes, suggesting that not all sedentary activities are created equal. According to Dr. Leana Wen, an emergency physician and clinical associate professor at George Washington University, “watching television is a cognitively passive activity because viewers are primarily receiving information rather than actively processing it.” In contrast, sitting at work often involves mental demands such as responding to emails, working on projects, and interacting with colleagues.

The study’s findings suggest that prolonged passive, sedentary behavior may not be ideal for long-term brain health. However, Dr. Wen notes that the study does not prove that watching TV causes negative brain changes, and that more research is needed to fully understand the relationship between TV watching and brain health.

Implications and Recommendations

While the study’s findings are concerning, Dr. Wen emphasizes that people do not need to stop watching TV altogether. Instead, she recommends being mindful of the amount of time spent in passive screen-based activities and making sure to engage in mentally stimulating activities, such as reading, puzzles, or learning a new skill. Regular physical activity, controlling blood pressure, and maintaining a healthy weight are also important for protecting brain health.

Original reporting: KEYT (Ventura/Santa Barbara) — read the source article.