Have you ever wondered why some days your brain just feels sluggish, no matter how much rest you get or caffeine you consume?

There are many reasons why a person can experience mood swings. They often involve many biological systems and, as such, the research around them is complex and ongoing. "Mood swings are significant ...

Part of living with attention deficit hyperactivity disorder (ADHD) as an adult is managing the mood swings that may come with it. Emotionally, there may be times when you feel very high or very low.