Featured Mind · 9 min read · Listen 9 min

Brain fog is real, and it usually lifts

Forgotten words, lost keys, rereading the same email three times. Here's what shifting hormones do to memory and focus, and what tends to help.

Written in plain language Sources linked in full Updated as evidence changes

What are you feeling?

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Symptom check-in

Could this be perimenopause?

18 questions, about three minutes. You'll get a summary you can take to your doctor.

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New articles, practical tips, and nothing you didn't ask for.

By Hannah Reyes Updated 14 Sep 2026 · {{ art.mins }} min read

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Symptom dictionary · 40 entries, A to Z

Find the words for what you're feeling

What women call it, what is worth writing down, and one sentence for your appointment. A reference for describing and recording, not for working out what is happening.

This is not a reason to wait Anything sudden, anything severe, anything that frightens you, and any bleeding you are worried about — contact a clinician rather than waiting for a date in the diary. Bring the record with you when you go.

No entries match. If something you experience is not in here, it is not missing because it does not count.

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You might call it

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Worth noting

One sentence for the appointment

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Change the numbers to yours and it is done.

Things women commonly bring to appointments during this transition. Nothing here says what is causing them. Not medical advice.

The recording method, in four lines

Turn “I have been tired” into a record

01Put a date on everything.

A note without a date is a feeling. This is the single change that makes the largest difference and it costs three seconds.

02Use the same scale every time.

Any scale works — nought to ten is fine. What matters is that a 4 in November means what a 4 meant in March. A scale that drifts tells you nothing.

03Leave gaps rather than guessing.

A blank week is honest and readable. A week of invented sixes is neither, and you will not remember which was which.

04Record onset, frequency, duration and what changes it.

Those four turn “I have been tired” into something that can be written into your notes.

Where to read more

Three sources worth your time

For information about the transition itself, go to organisations whose job that is. These three were checked on 10 September 2026 and are free to read.

Office on Women's Healthwomenshealth.gov/menopause/menopause-basicsPart of the US Department of Health and Human Services. Plain-English basics, including that the transition to menopause typically lasts between two and eight years, with an average of about four. The Menopause Societymenopause.org/patient-educationThe specialist professional body, formerly the North American Menopause Society, with a section written for the public rather than for clinicians. NHS — Symptoms of menopause and perimenopausenhs.uk/conditions/menopause-and-perimenopause/symptomsUK-based, and among the clearest plain-English writing on the subject anywhere. Useful wherever you live.

Brain fog is real, and it usually lifts

What are you feeling?

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Science-Backed Articles & Reviews

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Could this be perimenopause?

Browse by topic

One calm email a week

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Keep reading

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Find the words for what you're feeling

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Turn “I have been tired” into a record

Three sources worth your time

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Clear answers, delivered gently

Welcome to The Change Champions

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