Long COVID can linger long after the acute infection ends. People report fatigue, brain fog, dizziness, and poor sleep. Many ...

A study of long COVID patients with long-lasting "brain fog" and fatigue released Thursday shows they have altered levels of a pair of key brain chemicals, including nerve growth factor. Photo by ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

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 ...

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 ...

March is Brain Injury Awareness Month. This month is dedicated to raising awareness about brain injuries through education and advocacy—a typical brain symptom that people experience, when either ...

A man who put his fatigue and brain fog down to exam stress was diagnosed with a pituitary tumour. Ollie Cook, 23, started ...

If you’ve been feeling unfocused, forgetful, or mentally drained, you might be experiencing brain fog—a cluster of symptoms like fatigue, confusion, and difficulty concentrating that can disrupt daily ...

Although brain fog isn’t a clinical term, it is often used to describe a set of cognitive symptoms where your mind feels cloudy, and you have difficulty thinking clearing or articulating your thoughts ...

Haupt is a health and wellness editor at TIME. Photo-Illustration by TIME (Source Images: PhotoAlto/Frederic Cirou/Getty Images; aldigraph/Solvers via Canva) Tamsen Fadal was working as a news anchor ...