You know that feeling of confusion, forgetfulness, and lack of focus you have every so often? Although “brain fog” is not a medically recognized term, it’s a common feeling that many people suffer with. But even though many people experience it, brain fog is by no means normal. In fact, it is avoidable and 100% treatable. Here are some causes of brain fog and what you can do to get rid of that hazy feeling once and for all.