While it’s normal for the challenges of daily life to cause occasional changes in your mood, sometimes there may be a more serious underlying cause. “It can be hard to tell what normal fluctuations in ...

Add Yahoo as a preferred source to see more of our stories on Google. (The Hill) — Exposure to air pollution is fueling fluctuations in mood among many Americans, but precisely how these emotional ...

(The Hill) — Exposure to air pollution is fueling fluctuations in mood among many Americans, but precisely how these emotional responses take shape varies greatly from individual to individual, a new ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (The Hill) — Exposure to air pollution is ...