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📝 Free Substack: mdlongevitylab.substack.com🌐 mdlongevitylab.com📸 @mdlongevitylab🎧 Subscribe, leave a 5-star review, and share this episode with one person who needs to hear it.GLP-1 medications are genuinely revolutionary — and genuinely misunderstood. The real conversation isn't hype or panic. In Part 1, we cover the evolutionary biology behind why these drugs work so powerfully, the full drug landscape from semaglutide to retatrutide, how to actually use the new oral pill formats correctly, and the systemic benefits that go far beyond the number on the scale. Part 2 drops alongside this one — don't skip it.

In this episode

Why our hunger biology was never built for the modern food environment — and what that means for obesity treatment

Semaglutide, tirzepatide, and retatrutide — the generation-by-generation breakdown, trial data, and side effect profile

Oral meds: why the 30-minute fasting window is pharmacologically non-negotiable

SELECT trial: 20% reduction in heart attacks and strokes — in patients without diabetes

Kidney protection, liver healing, sleep apnea, the Alzheimer's signal, and addiction medicine — what the evidence actually shows

"Food noise" isn't a metaphor — it's visible on brain MRI, and these drugs quiet it measurably.