Category: Brain Fog
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Perimenopause brain fog is real, measurable and usually time-limited. What the SWAN and KEEPS trials found, and what no supplement has shown.
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New-parent brain fog is fragmented sleep, not brain damage: what the evidence shows, what actually helps, and when to see a doctor.
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Overwork brain fog hits executive function and attention, not memory. WHO calls burn-out occupational, and load reduction is the fix.
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Dehydration impairs cognition mainly at fluid losses around 2% of body mass. At ordinary indoor deficits the effect is small and overstated.
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Brain fog after drinking is mostly a sleep problem: alcohol wrecks the second half of the night, and hangover impairs attention at zero BAC.
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Remote work brain fog is usually a light, sleep-timing and movement problem, not a memory one. Here is what actually helps, in order.
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Vitamin B12 deficiency can cause real, sometimes reversible cognitive symptoms, but supplementing people who are already replete does nothing.
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Morning brain fog is usually sleep inertia, a normal temporary grogginess after waking. Here is what shortens it and what does nothing at all.
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Night shift brain fog is circadian misalignment plus chronic sleep loss. Light timing and sleep scheduling do more than any supplement can.
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The 3pm crash is a circadian dip plus a post-lunch load, not a nutrient shortage. Here is what actually changes it and what only appears to.