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How Sitting All Day Decreases Your Life Span

If you think that smoking is the deadliest habit above all, think twice. Researchers have found out one thing that decreases your lifespan – sitting for hours. According to studies, sitting for longer periods of time is linked to a cluster of health conditions including obesity, metabolic syndrome, high blood sugar, increased blood pressure and abnormal cholesterol levels.

Based on a study, people who sit all day watching TV for seven hours and more have 61% greater risk of dying. Thus, any extended sitting like working in front of the desk can be very harmful.

Let us know the possible health hazards of sitting all day.


Heart Disease

During a prolonged sit, the muscles burn less fat and blood circulates poorly which allows fatty acids to clog the heart. According to a study, men who watch TV for more than 23 hours a week have 64% chance of dying than those who only watch TV for 11 hours.



Based on a 2011 study, prolonged sitting allows the pancreas to produce more and more insulin which can lead to diabetes. Research also suggests that even five days of lying in bed can increase an individual’s risk to diabetes. They have 112% high risk of type II diabetes.



Overproduction of insulin encourages the growth of cancer cells, specifically colon, breast, and endometrial cancers. Other studies also suggest that prolonged sitting can be linked to the development of lung and uterine cancers.


Poor Brain Function

When we are sedentary, everything slows down including our brain function. The blood cannot circulate properly in the brain which helps in the production of mood-enhancing and brain chemicals.


Without an active lifestyle, your body cannot burn the fats and sugars you eat. This will lead to increase in weight, the rise of cholesterol, and obesity. Even if you exercise but you still spend more time on sitting every day, you can still develop metabolic syndrome. According to research, an average person shall exercise 60 to 75 minutes per day to combat the hazards of prolonged sitting.


Venous Disease

Sitting all day long can cause blood clot formation in the veins of the lower body, especially the leg. This condition is called deep vein thrombosis (DVT) which can also lead to other disorders including pulmonary embolism and heart disorders. Excessive sitting can also interfere the regular blood flow and will lead to varicose veins or spider veins. They are benign and are usually dangerous. However, these can cause more serious venous diseases.


Musculoskeletal Problems

Chronic sitters rarely move their hip flexor muscles in front which cause them to shorten and tighten. Decreased mobility is the cause of fall. Sitting also affects the neck, back, and the shoulders in which they tend to sore and be strained.



The lack of physical activities and fitness may increase the risk of an individual to depression. Sitting causes mental and physical stress which can lead to depression. A study also suggests that prolonged sitting may be linked to the development of anxiety disorders.


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