What Is 'Brain Fog' (and When Is It Serious?)
by Rachel Fairbank from Lifehacker on (#5XEBD)
The term brain fog" can mean many different things, from the afternoon sleepiness you get after a bad night of sleep to the short-term memory loss associated with dementia. Generally speaking, brain fog can consist of memory problems, an inability to focus, or a lack of mental clarity. Although brain fog isn't a...