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AI Summary
- Discusses growth-longevity trade-off where fasting suppresses aging pathways (mTOR, IGF-1, growth hormone) while eating activates muscle growth
- Multiple experts examine protein's essential role in maintaining muscle mass with age and the anti-cancer effects of glutamine restriction
- Explores selective nutrient restriction as an autophagy-inducing strategy and the IGF-1 performance versus longevity trade-off