Life of modern people has fatal disadvantages that physical activity time is small and sitting time is long.
While this may directly increase the risk of being overweight or obese, it can cause more diverse and serious harm.
WebMD, an American health portal, has summarized the health problems that people who spend a lot of time sitting on may experience as follows.
1. heart disease
We compared public transport drivers who had to sit all day to work and security guards who didn’t.
The study found that drivers who spent a lot of time sitting had regarding twice the risk of heart disease, despite their diet and lifestyle being nearly the same.
2. Deep vein thrombosis (DVT)
Sitting still for too long can cause blood clots in your legs. This development of deep vein thrombosis may cause swelling or pain in the legs, but often some people may not have any symptoms.
However, if a blood clot in the vein of the lower extremity flows into the pulmonary artery and blocks the pulmonary artery, the risk of a pulmonary embolism is much greater.
3. Shorten lifespan
Even if you exercise every day, if you sit for a long time, your lifespan is inevitably shortened. This does not mean that exercise is ineffective. If you don’t exercise at all, your lifespan will be shorter.
4. Diabetes
Sitting for long periods of time can change the way you respond to insulin, a hormone that helps burn sugar and carbohydrates. It consumes fewer calories and significantly increases the risk of diabetes as it affects the action of insulin.
5. Dementia
Sitting too much increases your risk of heart disease, diabetes, stroke, high blood pressure and high cholesterol. These can be a factor in the development of dementia.
6. Anxiety
According to a study by Deakin University in Australia, sitting for long periods of time can lead to sleep problems, atrophy in social activities and poor metabolic health, which in turn can negatively affect mental health, including anxiety disorders.
7. Back Pain
Sitting puts a lot of strain on the back muscles, neck, and spine. If you take a slouched position at this time, the risk is greater.
It is essential to find a chair that fits your body and make an effort to maintain a good posture, but sitting is not good for your body.
8. Varicose veins
Sitting for too long can cause blood to build up in your legs, which can strain your veins and cause varicose veins, which can twist or swell. This makes the legs tired easily and is often accompanied by pain.
9. Cancer
It increases the risk of cancer such as colon, uterine, lung, and breast cancer. These risks cannot be reduced by exercising. What matters is how long you sit
10. Osteoporosis
For the elderly, sitting for long periods of time weakens the bones and increases the risk of osteoporosis. Light and moderate exercise can prevent this. 
