Your own actions move the odds or the size of the loss substantially.
US traffic deaths fell to 36,640 in 2025, the second-lowest rate on record. But among rear-seat occupants killed in crashes only 32% were belted, against 84% everyday use — and an unbelted passenger behind you is a danger to you.
A million-person meta-analysis found that sitting eight hours a day raised mortality by 59% in inactive people and by almost nothing in active ones. Then 83,013 accelerometer-tracked adults showed standing more gave no cardiovascular benefit at all.
US fraud losses hit $16 billion in 2025. The six-digit code texted to your phone can be relayed by a fake page in real time — and CISA ranks it last. What phishing-resistant authentication does differently, and the two free steps that matter most.
Exercise cuts falls by 23% at high certainty. Home modification cuts them 38% — but only for people already at risk. And in December 2024 the USPSTF recommended against vitamin D for fall prevention. What the Cochrane reviews actually found.
A 60,977-person study found that when you sleep predicts mortality better than how long you sleep — and that the supplement most people buy is the one sleep medicine recommends against. What the cohort data and clinical guidelines actually say.
94% of Americans fall short of vitamin D from food, but only 5% are actually deficient. What the trials, the intake data and the new upper limits say about which nutrients you really need.
