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If you were to choose only three lifestyle factors that most profoundly shape how you age, they would be stress, sleep, and strength. Together, they form the biological triangle that determines your metabolic health, hormonal balance, inflammation levels, body composition, cognitive performance, and daily energy. These three factors interact so deeply that improving one nearly always improves the others. When optimized together, they can slow or even reverse many of the early signs of aging.
THE SIGNAL: Strength as a longevity biomarker, not a vanity metric A study published in JAMA Network Open tracked muscular strength and mortality across a large cohort of older adults over eight years, using grip strength and sit-to-stand performance as...
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The Signal A preprint posted this month analyzed 227,860 nights of concurrent sleep and continuous glucose monitoring data across nearly 6,000 adults and found that sleep consistency -- not just sleep duration -- is one of the strongest behavioral predictors...
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The Signal: New guidelines that could redefine who gets treated for cardiovascular disease The American College of Cardiology and the American Heart Association released an updated guideline for managing dyslipidemia this past Thursday American Heart Association, the first major overhaul...
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The Signal: Time to build that in-house sauna When my partner put a barrel sauna in our yard, I saw it mostly as a luxury, a cool addition that felt restorative and indulgent. I loved using it, but I did...
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