Does your metabolism slow down at 40? False. A study published in Science covering 6,400 people across 29 countries reveals the truth — and it's not what you think.
In this video, you'll learn:
✅ Why energy expenditure stays flat from age 20 to 60
✅ The real silent culprit behind midlife weight gain (sarcopenia)
✅ What new research reveals about cellular metabolic clocks
✅ Why NAD+ and mitochondria are key to that "low energy" feeling
✅ 6 free levers that actually work (no supplements required)
✅ The real window to act for your body (spoiler: it's not 30-40)
⏱️ TIMESTAMPS
0:00 The myth you've been sold
0:40 Why you're blaming yourself for nothing
3:00 The study that silenced the debate (6,400 people, 29 countries)
5:00 What no one sees inside your cells
7:30 The most underrated mechanism
9:00 What actually works (and it's free)
13:30 The real window to act
14:30 Key takeaways
📚 SOURCES CITED IN THIS VIDEO
Pontzer et al., Science (2021) — human energy expenditure study
Organ-specific metabolic clock research (alpha-ketoglutarate)
University of Bergen — NAD+/mitochondria research
TAME, PEARL, MET-PREVENT trials (2025)
⚠️ This video is for informational purposes only and does not replace medical advice. Consult a healthcare professional for questions about your personal situation.
👉 Subscribe for what's next: next week we're debunking the menopause and metabolism myth.
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