03/23/2026
Brain fog can often stem from dysfunction at the top of the neck, where an upper cervical misalignment may disrupt normal blood flow, cerebrospinal fluid dynamics, and brainstem communication. When this critical “choke point” is compromised, it can interfere with how clearly your brain processes information leading to fatigue, poor focus, and mental cloudiness.
https://www.uccnearme.com/articles/brain-fog/brain-fog-in-the-afternoon-why-your-focus-drops-later-in-the-day/
Afternoon brain fog can be linked to nervous system fatigue, posture strain, and circulation changes. Learn possible causes and supportive strategies.