- Study Findings: Research from the University of Hong Kong and the University of Cambridge shows that watching TV for one hour or less daily reduces the risk of heart disease, stroke, and other cardiovascular conditions. Those watching two or more hours daily had a 12% higher risk.
- Health Risks of Sedentary Behavior: Prolonged sitting slows metabolism, increases obesity risk, and affects blood circulation, contributing to heart-related diseases. Experts recommend limiting screen time and staying physically active.
- Expert Advice: Dr. Damon Swift from the University of Virginia highlights the importance of reducing sitting time, especially for those at risk of Type 2 diabetes. Taking regular breaks, walking, and light exercises can improve heart health and overall well-being.
A recent study suggests that watching television for no more than one hour per day may help reduce the risk of heart attacks, strokes, and other cardiovascular diseases.
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The research, published in the Journal of the American Heart Association, was conducted by scientists from the University of Hong Kong and the University of Cambridge.
The study focused on Atherosclerotic Cardiovascular Disease (ASCVD), which occurs when plaque builds up in the arteries, leading to serious conditions such as heart disease, stroke, and peripheral artery disease.
These conditions can result in pain, surgeries, amputations, and even premature death.
To examine the connection between TV watching and heart disease, the researchers analyzed 346,916 people in the United Kingdom.
The participants’ genetic risk for Type 2 diabetes was also considered, as diabetes is known to increase the risk of heart-related diseases.
The study found that 21% of participants watched TV for one hour or less each day, while 79% watched for two or more hours daily.
Those who watched more than two hours of TV daily had a 12% higher risk of developing heart disease compared to those who limited their screen time to one hour.
The researchers explained that sitting for long periods, such as watching TV, reduces movement and slows down metabolism, increasing the risk of obesity, high blood pressure, and poor circulation.
This is why reducing sedentary time and staying physically active is important for heart health.
Dr. Damon Swift, a heart health expert from the University of Virginia, emphasized that this study supports previous research linking long sitting times to poor cardiovascular health. He stated:
“These findings add to the growing evidence that reducing sitting time could be a simple and effective way to improve heart health. This is particularly important for individuals at a high risk of developing Type 2 diabetes, as they already face a greater likelihood of heart disease.”
Swift also suggested that people who spend long hours sitting at home or at work should take regular breaks to stand up, walk around, and engage in light physical activities to improve circulation and overall health.
The researchers noted that their findings were based on self-reported TV viewing habits, meaning some participants may have underreported or overestimated their screen time. Despite this limitation, the study provides valuable insights into how limiting TV time and increasing physical activity could benefit heart health.
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The study suggests that watching TV for one hour or less per day may be beneficial for reducing the risk of heart disease, stroke, and other serious conditions. While more research is needed, experts agree that limiting sedentary time and staying active is an important step toward a healthier heart.
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