Climate Research Exercise Studies Epidemiology Epidemiological Studies Public Health Cancer Studies Climate Impact Studies Nutritional Studies Cancer Research Radiation Studies Yoga Therapy Semen Analysis Statistical Methods Nutritional Epidemiology COVID-19 Chronic Diseases Obesity Studies Hormone Therapy Behavioral Science Study Validity Government Funding Child Development Studies Chemical Safety Kidney Disease Studies Sports Science Impact Studies Cognitive Function Studies Pesticide Studies Traffic Safety Microplastics Research Dementia Studies Fertility Research Metabolic Health Behavioral Studies Dietary Impact Studies Climate Health Research Environmental Research Cardiovascular Research Environmental Health Clinical Studies Impact of Environment on Health Public Health Studies Air Quality Studies Nutritional Research Immunology Artificial Intelligence in Healthcare Aging Research Environmental Studies Tourism Studies Infectious Disease Research Twin Studies Neuroscience Coffee Studies Tobacco Research
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.
