Meta’s Aria Gen 2 arrives as the smart-glasses race heats up, joining other 2025 hardware pushes from Apple and Google. Adding a photoplethysmography (PPG) sensor converts passive AR field data into ...

Semaglutide appears to safeguard the heart even when patients lose little weight. In a massive international trial, heart attack and stroke risk dropped by 20% regardless of BMI. The benefit seems ...

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