ZOE Science & Nutrition Most replayed moment: Lessons from a 5000-year-old diet | Frank Maixner & Tim Spector
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Mar 31, 2026 
Tim Spector, epidemiology professor decoding the microbiome, and Frank Maixner, archaeogeneticist who analyzed the Iceman, explore ancient diet clues. They discuss the Iceman’s preserved stomach contents and high-fat meat choices. They reveal a surprisingly diverse ancient gut microbiome and consider how modern lifestyles may have reduced microbial variety.
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Discovery Of The 5,300 Year Old Iceman
- Frank Maixner recounted the 1991 discovery of the Iceman by hikers Erica and Helmut Simon in the Alps.
- The body was half in ice, initially mistaken for a modern hiker, and later identified as a 5,300‑year‑old mummy after archaeological assessment.
Iceman Ate Fatty Mountain Meat And Ancient Wheat
- Analysis of stomach and intestinal contents showed the Iceman ate ibex and red deer plus einkorn wheat and bracken fern.
- Nearly 50% of the meal was fat, suggesting intentionally chosen fatty cuts, likely air‑dried for preservation and energy on alpine hunts.
Deliberate Choice For Fatty Cuts Over Lean Meat
- The Iceman selected fat‑rich regions of ibex, not lean muscle, suggesting deliberate choice of high‑energy cuts.
- These cuts were likely air‑dried into speck‑like preserved meat for weeks of hunting and travel.
