what causes brain fog or bad memory
1 Allergy can certainly cause foggy brain. 2  Wheat is a common cause of brain fog. 3  Many religious groups will fast for several days in order to âclear the brainâ. 4  Food allergy usually causes more than one symptom â often several.
1. Sleep and Stress: Get enough sleep at night and stick to a reasonable bedtime. Also, find ways to manage mental and emotional stressors, such as conscious breathing or purposeful exercise. Lack of sleep, poor sleep quality, and stress can all interfere with the bodyâs ability to ward off inflammation and brain fog.