Health ❯ Exercise ❯ Physical Activity
Chronic Disease Prevention Preventive Measures Sedentary Lifestyle Older Adults Cardiovascular Health Immune System Short Duration Exercise Chronic Conditions Cancer Outcomes Brain Health Gender-Specific Recommendations Mortality Risk Disease Prevention Exercise and Pollution
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.