Many people may be unaware of how asthma can be triggered on days with high levels of pollution. Part 7 of our series takes a closer look into this potential problem.
[wpvideo ueAS888M]
Many people may be unaware of how asthma can be triggered on days with high levels of pollution. Part 7 of our series takes a closer look into this potential problem.
[wpvideo ueAS888M]
