Sports not only strengthen the muscles, say scientists from the National cancer Institute in Maryland. Their latest study shows that moderate exercise reduces the risk of cancer. As evidence presented data analysis of medical databases in Europe and USA.
The study took 11 years, and was attended by about 1.5 million people. The ages of the people ranged from 19 to 98 years.
Researchers evaluated the physical activity level of people and compared it with the risk of cancer. It was possible to identify a relationship between cancer of the kidneys, liver, esophagus and other cancer diseases with exercise.
Only two and a half hours of physical activity per week can significantly reduce the likelihood of cancer. Scientists believe the optimal running, Hiking in a sports hall, swimming pool. Fresh air is also very useful.