
"If you don't know where your keys are, that's fine." Shapiro's memorable analogy helps distinguish perimenopause brain fog from serious cognitive concerns.

"If you don't know where your keys are, that's fine." Shapiro's memorable analogy helps distinguish perimenopause brain fog from serious cognitive concerns.

Subtle sleep, mood, and cycle changes may herald perimenopause. Dr. Marla Shapiro discusses how clinicians can recognize and address them early.

TMS 2025. University of Toronto professor Dr Marla Shapiro explains why perimenopause is unpredictable, including age of onset, duration, and symptoms.

Published: October 21st 2025 | Updated: