Episode 10: Dr. Rocio Salas-Whalen - "Weightless" and the Biology of Weight

In this episode, I’m talking to endocrinologist and obesity medicine specialist Dr. Rocio Salas-Whalen about her new book Weightless — a compassionate, evidence-based guide to GLP-1 medications like Ozempic, Wegovy, Mounjaro, and Zepbound, and what it really means to take back control of your health.

She shares how her father’s diabetes diagnosis led her into endocrinology, and why she believes obesity must finally be treated as the chronic, biological disease it is — not a moral failure. Together, we talk about:

• What GLP-1 medications actually do in the body, and how they calm food noise, emotional eating, and constant hunger
• The five key drivers of obesity: heredity, hormones, aging, environment, and lifestyle
• The mental and emotional benefits of GLP-1s that are rarely discussed
• Why short-term prescriptions aren’t enough, and what long-term medical care should look like
• How PCOS, perimenopause, and hormonal shifts affect women’s weight and health
• The psychological side of major weight loss, including fear of regain, identity shifts, and the need for emotional support
• Common myths, misinformation, and why compassion must replace judgment in the obesity conversation
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This is an episode grounded in both science and empathy — for anyone who has ever felt unheard, ashamed, or confused about their weight.

The book Weightless by Dr. Rocio Salas-Whalen releases December 30 (US) and January 1 (UK).

Follow her on Instagram @drsalaswhalen.

This podcast shares lived experiences and opinions. It’s for informational purposes only and not medical advice. Always talk to your healthcare provider for personal medical guidance.

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