What are the proposed mechanisms by which television viewing contributes to obesity?

Question

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Research suggests that television viewing contributes to obesity through reduced energy expenditure as individuals tend to be sedentary while watching TV. Additionally, individuals tend to consume more food and high-calorie snacks while watching TV, leading to an increased energy intake. However, there is no evidence to suggest that TV commercials advertise appropriate foods, which rules out option B. Therefore, the best choice is E - a and c only.

What Are the Proposed Mechanisms by Which Television Viewing Contributes