Often smell the vehicle emissions affect male fertility

Air pollution is a major impact on health and environmental risks, according to the World Health Organization report estimates that each year around the world can cause approximately 200 million premature deaths.

Especially in a big town, Germany study found that traffic pollution than passive smoking hazards but also much more. Therefore, improving air quality, road to human physical and mental health have an important impact.

Men often smell the vehicle emissions, the impact of fertility

Historically, people know that air pollution on health, but I didn't expect or cause male infertility.

Italy studies have shown that long-term exposure to traffic pollution reduces the male sperm vitality, which in turn affects their fertility. If the male daily exposure to traffic pollution in at least six hours, he in vivo testosterone and other hormones level and not low, but the sperm's ability to be low, swims to affect the sperm and ovum. In addition, the vehicle emissions of nitric oxide and lead most easily damaged sperm quality, emission of heavy metals in such as lead, mercury, cadmium, etc, and also the germ.

In the traffic jam, many people habitually open window ventilation.

However, the emission of pollutants from exhaust gas, generally will be gathered in from the ground 40-50 cm high. This height means that person if the car is the open window, inhalation is the vehicle exhaust emissions of high concentration, and feel free to open a window, even the skylight, the people here on the car is the same effect.

TIPS：

Although the automotive exhaust pollution is serious, but in the air moist, such as rain and snow weather, open window ventilation is also acceptable.

However, in hours, the most serious traffic jams, you should avoid having to open any Windows. Experience the air circulation is not smooth weather, such as dark, foggy weather, open Windows, affected by air pollution is very serious. If you drive a person to have some diseases of the lungs, in these circumstances, Windows more inappropriate.

(Practice editing: high Yuhua)