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Friday, March 16, 2018

Hiking in the benefit, said the scientists

People who think that walking the streets of his native city beneficial to their health, in many cases mistaken. To such conclusion experts from Imperial College London. According to scientists, air pollution negates, and sometimes outweighs the benefits that such a trip could bring.

photo: Mikhail Kovalev

Scientists invited to participate in the study, 119 people, 40 of whom suffered from obstructive pulmonary disease, the remaining 39 from coronary heart disease. The age of all participants was more than 60 years. In different periods of time each participant had to choose a new place for walks — sometimes they went through Hyde Park (Royal Park area of 1.4 square kilometers) in Central London, and sometimes just on the streets. The specialists watched as how polluted was the air in these places, and how somehow or other the walk was affected by a number of indicators of the health of volunteers. In particular, account was taken of factors such as arterial stiffness — an indicator that is associated with the development of cardiovascular diseases and lung capacity.

As it turned out, and healthy, and suffering from certain problems of study participants walking down the street would bring more harm than good — if a walk in the Park could have a significant positive effect, in the case of polluted streets, the effect was either almost negligible or negative.

Experts suggest that their findings apply to people under the age of 60 years, although such do not participate. Scientific work was published in Lancet.

Previously, a number of studies have shown that, in General, walking health benefits brings. For example, in September a Group of canadian scientists from McMaster University, concluded that 150 minutes is two and a half hours of physical activity per week prolongs human life and protects it from cardiovascular disease, and Hiking in this case was quite common for such loads. Five months before this, experts from the University of highlands in the American state of new Mexico, came to the conclusion that the processes occurring in the body during walking, contribute to the development of mental abilities.

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