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Key Takeaways After 40 years old, the same habits that once fueled performance can quietly sabotage energy, focus and leadership. Smart nutrition shifts help founders regain stability and long-term edge.
For many entrepreneurs, midlife brings an unexpected contradiction.
You’re more experienced, more disciplined and more accomplished than you’ve ever been, yet your energy feels unpredictable. Your weight slowly creeps up. Your focus fades by mid-afternoon. And strategies that once worked effortlessly no longer deliver the same results.
Most founders assume this is a motivation or discipline issue.
It isn’t.
What’s actually happening is biological and ignoring it quietly undermines performance, decision-making and long-term leadership capacity.
Midlife changes the rules
After 40 years old, several physiological shifts begin to stack:
Muscle mass declines
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