08/03/2026
If you've been misplacing words mid-sentence, rereading the same paragraph three times, or walking into a room with no idea why — no, you're not losing it.
Brain fog is one of the most common perimenopause complaints I hear in my practice, and it has a real mechanism behind it. Estrogen helps your brain use energy and supports memory and word recall. As it fluctuates through perimenopause, that support wavers too — and focus can start to feel slippery.
That's physiology. Not early decline, and not a character flaw.
For many women, this steadies as hormones settle into a new baseline — and there's plenty worth looking at in the meantime. The first step is naming it for what it is, so you can stop blaming yourself.
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