
The Model Health Show The Hidden Hormone Shift Driving Chronic Disease in Women - With Dr. Jessica Shepard
Apr 6, 2026
Dr. Jessica Shepherd, a board-certified OB/GYN and author focused on perimenopause and women’s longevity. She unpacks hormonal shifts in midlife. Short, practical takes cover heart and bone health, thyroid changes, hot flashes, metabolic shifts, sleep disruption, strength training, nutrition, and when hormone therapy may help.
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Estrogen Is A Bodywide Messenger For The Heart
- Estrogen acts beyond reproduction, with receptors in heart, bone, muscle, brain and gut influencing organ function.
- Shepard explains estrogen decline reduces heart contractility and increases atherosclerotic plaque after menopause.
Lift Heavy To Protect Bone And Muscle
- Strength train regularly to preserve bone and muscle and reduce osteoporosis risk during and after perimenopause.
- Shepard urges 'triple down' on resistance work because mechanical force sustains bone and prevents falls.
Hot Flashes Come From A Lost Estrogen Thermostat
- Hot flashes stem from estrogen loss at a temperature‑regulating neuron (KNDy neuron) in the hypothalamus.
- Without estrogen the 'thermostat' misfires, so restoring estrogen often directly reduces hot flashes.



