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What Actually Adds Healthy Years (According to the Evidence)
You can't buy more years in a bottle. But the research is clear: five basic habits add 12-14 years of life, and your fitness predicts death better than smoking. Here's what actually moves healthspan.
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How Much Exercise Do You Actually Need? The Longevity Dose
150–300 minutes of moderate exercise per week cuts all-cause mortality by ~20%. Here's what the evidence says about the longevity dose — and when more stops helping.
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Prediabetes: 115 Million Americans Have It, and 8 in 10 Don't Know
More than 2 in 5 U.S. adults have prediabetes — and about 8 in 10 don't know it. It's the quiet on-ramp to type 2 diabetes and heart disease. The good news: it's often reversible, and the fix is free.
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Sleep and Longevity: Why 7 Hours Is the Sweet Spot
Too little sleep raises your mortality risk. So does too much. Here's what the evidence says about the 7-hour sweet spot — and what to do about it.
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