When exposure to wildfire smoke goes on for long periods, even the young and healthy will begin to develop chronic lung and heart conditions, scientists say.
When exposure to wildfire smoke goes on for long periods, even the young and healthy will begin to develop chronic lung and heart conditions, scientists say.
When exposure to wildfire smoke goes on for long periods, even the young and healthy will begin to develop chronic lung and heart conditions, scientists say.
When exposure to wildfire smoke goes on for long periods, even the young and healthy will begin to develop chronic lung and heart conditions, scientists say.