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 ...

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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 ...

You walk into a room and forget why. You reread the same sentence three times. You feel like your brain is buffering. If any of that sounds familiar, you’re not alone. Brain fog—once dismissed as 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 ...

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 ...

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 ...

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 ...