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People with desk jobs may not need to feel so guilty about all those sedentary hours in an office chair: Sitting at work may not be as bad for the heart as sitting in front of the TV, a new study suggests.
The study researchers analyzed information from more than 3,500 African American adults, and found that those who spent a lot of their leisure hours sitting in front of the TV were at higher risk for heart disease and death during the study period, compared with those who spent little time sitting in front of the TV.
Front - TV - Work - Time - Day
Exactly why sitting in front of the TV would be worse than sitting at work isn't clear. But the time of day may play a role; watching TV often occurs around the time people eat dinner.
"The combination of eating a large meal such as dinner and then sitting for hours could also be particularly harmful," study senior author Keith Diaz, an assistant professor of behavioral medicine at Columbia University Vagelos College of Physicians and Surgeons in New York, said in a statement. The researchers plan to conduct more studies to examine why watching TV seems to be a particularly harmful form of sitting, and whether eating a large meal beforehand may be a contributing factor.
Studies - Diverse - Minority - Populations - Americans
What's more, past studies rarely included diverse or minority populations, even though African Americans are at higher risk of heart disease in general, compared with other racial or ethnic groups in the U.S., the authors said.
In the new study, the researchers analyzed information from 3,592 African Americans living in Jackson, Mississippi, who were followed for about 8.5 years. All of the participants were employed.
Hours - Day - Front - TV - %
Those who initially spent more than four hours a day sitting in front of the TV were subsequently 50% more likely to experience heart problems — such...
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