You’ve probably heard people use the term “brain fog” to describe times when they felt like their brain function was slightly off. It’s often associated with symptoms like trouble concentrating, a ...

Hormonal imbalances — including testosterone, thyroid, cortisol, and insulin — can significantly affect your cognitive function and contribute to brain fog. Blood tests can help identify underlying ...

Brain fog describes mild and temporary problems with thinking, focusing, and remembering. Chronic pain, long COVID, and sleep deprivation are common causes of brain fog. Hormonal changes and stress ...

Brain fog is a term used to describe feeling mentally slow, forgetful, unfocused, or confused. Many women experience it ...

Have you ever experienced the fuzzy sensation like your brain doesn’t feel as sharp as usual? Maybe you struggle to recall a conversation. Or you can’t grasp the right word. When this happens ...

Do you ever get a feeling of sluggishness, lack of focus, or mental fogginess after eating? That fuzzy feeling in the head is what we call brain fog, and though it isn't an illness by itself, it can ...

Causes of brain fog Brain fog can result from a variety of factors, including physical health conditions and certain ...

Multiple sclerosis (MS) is best known for the physical symptoms it can cause, such as numbness, weakness, spasticity, and difficulty walking. But this autoimmune disease of the central nervous system ...

There are some health trends in 2025 that doctors and nurses in the healthcare industry are only expecting to grow. People aren't taking "you're fine" as an answer. Instead, ...

In therapy- or illness-induced brain fog (right), microglia produce inflammatory chemicals that deplete oligodendroglial cells and their created myelin. Stanford Medicine researchers and colleagues ...