Written By: Muskan Gupta | Published : August 14, 2025 11:44 AM IST
Medically Verified By: Dr L.K. Jha, Associate Director and Head Unit-II – Cardiology, Asian Hospital
Nowadays, the world is hyper-connected, and the usage of screens has become a must in every aspect of our lives, be it a business meeting or an online class, bingeing, or scrolling down social media. Although there are many benefits associated with the use of technology, the desire to spend more time on screens may pose unwanted effects on your health and heart in particular.
Cardiovascular diseases (CVDs) are still the greatest noncommunicable killers, and their roots started in childhood and even earlier in infancy. The buildup of cardiometabolic risk (CMR) factors among young people that is manifested through high blood pressure, excessive cholesterol, excess waist circumference, and insulin resistance sets the stage for diseased adulthood.
According to Dr L.K. Jha, Associate Director and Head Unit-II Cardiology, Asian Hospital, "One of the greatest threats of the modern lifestyle is an inactive way of life or long hours of sitting down and keeping at the same spot. There is a direct connection between this issue and an increase in screen time. Sitting down in front of a mobile, laptop or TV for hours at a stretch relaxes the muscles, slows circulation and slows down metabolism. In the long run, this slowly impairs the heart, and other health complications develop."
The doctor further adds, "When people spend a lot of time in front of screens, they unconsciously develop pathological eating habits since they start using junk food, sweet beverages, oily snacks, etc. This can cause accumulation of fats in the body and an increase in weight, which is one of the cardinal causes of heart disease. Abdominal obesity, or the fat around the waist, is estimated to be highly harmful to the coronary."
Besides, sleep conditions are also influenced by the fact that people spend a lot of time in front of a screen. Television watching or phone use late at night impairs the production of the hormone that helps in regulating sleep, and this means that the person fails to have complete sleep or sleep properly. Ineffective sleep directly affects blood pressure, the beat of the heart, and the functioning of it in general. Sleep deficiency may multiply the risk of heart disease many times.
Threateningly, our sedentary society of screens with growing screen presence is worsening identified risk factors of CVD, like obesity and poor nutritional diets. One recent study examined the relationship between the use of screens and cardiovascular health among adolescents and children, demonstrating how screen use can predispose one to develop heart-related conditions, such as high blood pressure, high cholesterol levels, and insulin resistance.
The study indicated that younger children are more susceptible to the harmful causes of heart health as per the use of the screens, and this is factual because at that age, the body is still developing. Adequate sleep is the silver lining because ensuring that I get enough sleep will keep my heart healthy by countering the harmful effects of screen time.
Even little modifications can issue big alterations. Screens can neither be completely banned among children nor adults. Screens will not go away soon; thus, the need to use devices wisely, especially for children.
In the case of children, parents ought to check the time they spend on the screen. The best way of ensuring the health of the hearts of children is through encouragement of physical activity, fostering healthy sleep patterns, and reduction of time spent in front of the screens. The trick is to balance it.
Similarly, adults may similarly count on phone settings to monitor and progressively minimise everyday screen time. Make no-phone zones, which include taking off the phones in the bedrooms and dining rooms. Pick up on unlikely happiness through reading, taking a walk, baking, or other things that give a mental and visual break. Finally, be ready to give time to other people; contact friends and family as often as is possible personally.
Although you cannot fully eliminate the presence of screens, being smart with the way you use technology can lend your heart to better health, now and in the future.
Take short breaks every 30–40 minutes, do light stretches, maintain good posture, stay physically active for at least 30 minutes a day, and keep your screen at eye level to avoid strain.
Long hours of sitting in front of screens can reduce physical activity, slow down metabolism, and increase the risk of obesity, high blood pressure, and poor blood circulation, all of which strain the heart.
