There is some evidence to suggest that air pollution may increase the risk of developing depression. Air pollution contains a mixture of particles and gases that can harm the body and brain, including the central nervous system.
Studies have found that exposure to air pollution is associated with an increased risk of depression and other mental health problems. For example, a study published in the journal Environmental Health Perspectives found that exposure to fine particulate matter (PM2.5) was associated with an increased risk of depression in women.
Another study published in JAMA Psychiatry found that children who were exposed to higher levels of air pollution were more likely to develop depression and anxiety.
The exact mechanisms by which air pollution may increase the risk of depression are not fully understood, but it is thought to involve inflammation, oxidative stress, and changes in neurotransmitter levels in the brain.
While more research is needed to fully understand the relationship between air pollution and depression, it is clear that air pollution is a significant public health concern that has far-reaching impacts on both physical and mental health.