American scientists from the University of Washington have discovered that even short-term exposure to air with exhaust gases can increase blood pressure so much that it can push a person to stage 1 hypertension. The study was published in the scientific journal magazine Annals of Internal Medicine (AIM).
In the experiment, scientists tested 40 participants in a laboratory by allowing them to inhale small amounts of diesel fumes. The experiment was later repeated in a practical setting; Volunteers were driven through the crowded streets of Seattle in a specially equipped van for two hours. In some cases, the air inside the car was filtered, in others the purification system was turned off.
The researchers found that the increase in blood pressure while cycling without a filter was similar to that observed in the laboratory.
According to scientists, this effect may be due to the body’s exposure to tiny particles of atmospheric pollutants found in burned fuel vapors. The increased blood pressure in the trial participants continued for 24 hours.
Experts stressed that their discoveries show the need for measures to improve air quality near major highways to protect public health.
Previous scientists offered Protect schools from harmful vehicle emissions with fencing.