It Is a Bad News to Meet Air Pollution
Brazilian researchers conducted experiments with rats, found that running can protect mice lungs from invasion of pollutants in the air. A conclusion can be obtained from the laboratory findings, and it was that lung inflammation can be relieved by doing aerobic exercise. Meanwhile, pro-inflammatory effects, which were caused because of exposing to the polluted air environment can be suppressed through taking aerobic exercise. During the experiments, compared the nitric oxide quantity mice exhaled, next oxidative stress and nitrogen stress indicator would make an increase on nitric oxide exhalation.
There was a report on "Net-ease exploration" on March 1, and it said researchers that came from Brazil did a mice experiment and it found that lungs of mice can get rid of air pollutants through running. We were likely to learn from the laboratory consequence that lung inflammation would like to be alleviated through aerobic exercise. On "Sports training medical and science" magazine, there was the publication of the research results.
For all people, it was a bad news to have air pollution, particularly for those people who were keen on running and bicycling. The reason was that at time you did exercise, plenty of air would be inhaled directly to the mouth, but did not filtered by the nose. Pollutants in the air can enter the lungs deep places, causing inflammation and oxidative stress, simultaneously would aggravate symptoms of asthma, chronic obstructive pulmonary disease and other diseases. This was why in heavily polluted summer months, the doctor would recommend you to do exercise outdoors as little as possible.
However, researchers from Brazil St.Paul questioned to this proposal. In their view, the pollutants in the air were indeed able to cause inflammation and oxidative stress, but aerobic exercise can fight inflammation and oxidative stress. Even under the environment with contaminants, aerobic exercise may be can bring more health benefits than the risks that would cause. Mice were used in experiments for the sake of proving the conjecture.
First of all, they collected the diesel exhaust particles that were emitted by city bus exhaust pipes, and then they divided the mice into four groups. Nothing would be done to the first group, and we called the group "Control". The name of the second group was called "Exercise", and this group would run for continuous five weeks and five times a week. DEP, which was short for "Diesel exhaust particles" was the third group, this group did not need to run, but had to inhale diesel exhaust particles.
The last group was "Diesel exhaust particles plus exercise" group, that was to say, the "DEP + Exercise" group, and they needed both running and the inhalation of diesel exhaust particles. At the end of this research that lasted for five weeks, they conducted a series of tests, assessed the inflammation of the mice, oxidative stress and lung changes.
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