May 14, 2024 · Brain fog, also called mental fog, can happen after an illness, as a side effect of a medication (like chemotherapy) or as a symptom of an underlying condition.

3 days ago · Brain fog can be caused by aging, hormonal changes, autoimmune disorders, and lifestyle factors. Learn how to reduce or manage symptoms.

Oct 26, 2025 · Lack of sleep, poor diet, and dehydration can cause brain fog, so getting good rest and staying hydrated is important. If brain fog doesn't go away with lifestyle changes, talk to a …

Jul 9, 2025 · Brain fog is not a disease—it's a symptom. Most cases trace back to six groups of problems: poor sleep, uncontrolled stress, nutritional gaps, blood-sugar swings, hormone or …

Jun 16, 2025 · Feeling a little “foggy” in the head? Having trouble remembering things? You may have something called “brain fog.” Check out a few things in this WebMD slideshow that can …

Feb 24, 2025 · Brain fog is a cluster of symptoms like fatigue, confusion, and trouble concentrating, not a medical term. Possible causes of brain fog include long COVID, sleep …

Jul 31, 2025 · Brain fog is a common term for thinking problems that can make the mind feel clouded. Find out what 11 health conditions could cause brain fog.

Nov 4, 2025 · “Brain fog” refers to several symptoms that affect your ability to think clearly, concentrate, remember things, focus, and pay attention. Brain fog can occur for many different …

Nov 11, 2025 · Brain fog is usually a symptom of something else — often caused by problems with sleep, stress, hormones, diet, or even illness. When you’re stressed for a long time, your …

Jul 13, 2025 · Brain fog affects your focus, memory, and thinking. COVID-19, thyroid dysfunction, hormone changes, and chronic fatigue syndrome (CFS) can cause it.