Moderate Activity Department of Health and Human Services Moderate Exercise Moderate Physical Activity Moderate-intensity Exercise Moderate Intensity Step Count Recommendations Wearable Technology Gender Differences Gender-Specific Recommendations Step Count Recommended Exercise
A BMC Medicine review of more than 1.5 million adults pinpoints PM2.5 thresholds—25 and 35 μg/m³—at which the reduction in all‑cause mortality shrinks.