This morning on my hot mama walk, weighted vest strapped on, I found myself thinking about how complicated exercise advice can feel during perimenopause. We’re told to lift heavy weights to protect our bones and preserve muscle. Walk for cardiovascular health. Exercise for our mood. Move for our mental health. And then, somewhere along the way, the conversation turns to cortisol: “But don't exercise too much—you'll spike your cortisol!” So…what's a woman in perimenopause actu