ZME Science

Subway trains produce airborne dust particles that could damage the lungs. In the world today it is harder and harder to drive around town or to another town. It is not cheap. So the subway is a good choice to more and more people. But the downsides it bring are more and more too.Sophie Lanone and colleagues point out that previous studies of the London and Stockholm subway systems also have identified such particulate matter. They collected the dust and then exposed live mice and cultured mice cells to the dust over a 24-hour period. This caused transient lung inflammation and increased levels of several substances produced by the immune system that might cause tissue damage.

“To the best of our knowledge, this is the first evaluation of the biological effects of particulate matter from the Paris subway system as well as the first comprehensive study to evaluate the in vivo effect of subway particulate matter,” the report states.

So it is known that the dust produced by subway trains could harm your lungs in numerous ways. It has large amounts of iron particles and very low levels of endotoxin, a potentially toxic compound produced by bacteria. The subway is a fast but unhealthy way of traveling.

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