Brain feels foggy and can't focus
You read the same line three times and still miss it. A word you use every day sits just out of reach. Your head feels wrapped in cotton wool, and simple tasks take twice as long.
Most reasons for this are plain ones. Short sleep, long stress, and skipped meals all dull the mind. Low iron, a slow thyroid, some medicines, dehydration, and the weeks after a virus can do it too.
Some people land here after reading about microplastics, the tiny plastic bits found in food, water, and air. Scientists are still asking what those bits do inside the body. Brain fog has many causes, so it is worth ruling out the common ones first.
When to see someone
Call emergency services if speech slurs, one side of the face droops, or an arm goes weak. Book a same-week doctor visit if the fog came on fast, follows a knock to the head, or comes with fever, a bad headache, or double vision. Make an appointment if it drags on for weeks, or if you get lost on routes you know well.
Below you will find remedies drawn from our reviewed list for microplastics. Each one carries an evidence grade, which shows how much research stands behind it. A high grade means more study has been done, not a promise for you, so check with your doctor first.
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