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AI Summary
- Protein RDA (0.8g/kg) was established through outdated methodology; optimal intake is 1.2-2.0g/kg for stimulating muscle protein synthesis across age groups and training states
- Anabolic resistance in aging requires higher protein intake; protein distribution across meals matters more than timing; the body adapts physiologically to higher protein intakes without negative consequences
- Cold-water immersion timing relative to protein intake influences muscle protein synthesis; strategic protein distribution and resistance training create synergistic muscle-building effects across the lifespan