​  What happens when you sit all day?
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General Healthy Living Fitness

​ What happens when you sit all day?

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Sedentary behaviour has emerged as a major health risk factor in the last decade. It is a part of everyone’s daily life. Sedentary lifestyles are associated with numerous health problems. A person living a sedentary lifestyle is often lying down or sitting while reading, socializing, watching television, playing video games or using a computer. Studies have revealed sitting for long periods of time contribute to health problems such as obesity, hypertension, diabetes mellitus, abnormal cholesterol levels and excess fat accumulation around the waist. Here are some of the health problems you may experience when you seat all day.

Weight gain

Physical exercise causes muscles to release lipoprotein lipase, which helps process the fats and sugars you eat. Too much-sitting causes decreased release of lipoprotein lipase which can have a negative impact on the body’s ability to burn fat.

Heart disease

Studies suggest sitting for a long period of time could hurt your heart. The more people sit, the greater the likelihood that they will develop signs of injury to their heart muscles. People who sit more than 9  hours each day are likely to develop heart disease. Excessive sitting is found to be associated with heart failure, in which the heart becomes progressively weaker and unable to pump enough blood.

Diabetes mellitus

Studies have shown that sitting for a long period of time raises blood glucose levels. People who spend most of their time sitting have 112 percent increased risk of diabetes.

Posture problems

In addition to contributing to weight gain, prolonged sitting can cause back pain and leg pain. Poor posture while sitting may causes compression on the spinal discs and may contribute to premature degeneration resulting in chronic pain. Neck and shoulder stiffen, the spine loses its flexibility due, to poor posture.

Weakened muscles

Sitting all day loosens and weakens the muscles. Prolonged sitting makes powerful lower body muscles weak. Without strong legs and muscles, your body is at risk of injury.

Anxiety and depression

Prolonged sitting may cause anxiety and depression. Sitting for a long period of time in front of the computer or TV, playing video games limits sun exposure and social interaction resulting in vitamin D deficiency and loneliness.


Prolonged sitting can increase the risk of different types of cancer such as lung cancer, colon cancer, and uterine cancer. However, the reasons are not known.

Poor body circulation

Prolonged sitting can lead to poor circulation throughout the body. Circulation slows down due to constant sitting contributing to reduced blood flow. Studies have revealed evidence of reduced blood flow to the brain in people who sit for long periods of time.

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​  What happens when you sit all day?