Why Cardio Stops Working After 40 — The Midlife Truth

Coach Donna explains why long, intense cardio often backfires for women in midlife: hormonal shifts (estrogen, progesterone, insulin, cortisol) can increase belly fat, disrupt sleep, and cause muscle loss.

She outlines a smarter approach — prioritize strength training, shorten or lower cardio intensity, support recovery and increase protein — and gives a simple homework to reduce cardio this week.