Can’t Think, Can’t Remember: More Americans Say They’re in a Cognitive Fog Adults in their 20s, 30s and 40s are driving the trend. Researchers point to long Covid as a major cause. Author: Francesca Paris Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)