Scientists have calculated the required number of steps a day, which will reduce the risk of death (3 photos)
As it turned out, to keep the body in good shape, you need not so much. 
Scientists from the Medical University of Lodz analyzed data from 17 studies involving 226,889 people of average age 64 years old and refuted the "notorious rule of 10 thousand steps", which, as previously thought to improve health and prolong life. Summing up all the studies, scientists came to the conclusion that walking you can devote much less time - it’s enough to do it every day, although would 3967 steps to reduce the risk of death from cardiovascular diseases and other reasons. They published their study in the European Journal of Preventive Cardiology (Eurjpc). 
Researchers in their work claim that they managed to find relationship between step count and risk of death. Eg, an increase in the average number of steps by 500 reduces the risk of death from cardiovascular disease by 7%, and if you add another 1000 steps to day, then the risk of dying from diseases is reduced by 15%. Thus they came to the conclusion that 2337 steps a day is enough to keep tone the cardiovascular system, and 3967 steps will save you from all ailments caused by lack of movement.
The paper notes that the positive effects of walking most noticeable in people under 60 years of age. This study group is at risk deaths decreased by 49% with a daily number of steps from 7 to 13 thousand. As for the group over 60 years old, for them 6-10 thousand steps per day reduced the risk of death by 42%. 
Walking 3,967 steps a day is the bare minimum researchers note. Each subsequent increase in steps per thousand increases the benefits for the body by 15%. However, the benefits continue to grow. if you have walked more than 20,000 steps.
According to the World Health Organization (WHO), lack of movement seriously increases the risk of death, especially from cardiovascular diseases. According to WHO, due to sedentary lifestyles, about 3.2 million people die each year.
