8 Reasons You May Have Brain Fog

You know the feeling: you can't find a particular word, remember someone's name, or concentrate the way you once did. Is it just aging, or is something else to blame? "It's easy to underestimate how underlying conditions affect memory and thinking, and they are often overlooked," says Dr. Shreya Raj, a neuropsychiatrist with the Center for Brain/Mind Medicine at Harvard-affiliated Brigham and Women's Hospital.