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Chronic exposure to fine particulate air pollutants (PM2.5) and nitrogen dioxide (NO2) may increase non-lung cancer risk in older adults, according to a study led by Harvard T.H. Chan School of Public Health. In a cohort study of millions of Medicare beneficiaries, the researchers found that exposures to PM2.5 and NO2 over a 10-year period increased the risk of developing colorectal and prostate cancers. The researchers also found that even low levels of air pollution exposure may make people particularly susceptible to developing these cancers, in addition to breast and endometrial cancers.

Strong associations found between several biomarkers and risk of heart attack, stroke, early death Two biomarkers based on DNA methylation (DNAm) were strongly associated with a person’s risk for heart attack and stroke, according to new research led by Harvard T.H. Chan School of Public Health. The two biomarkers, known as GrimAgeAccel and DNAmRS, were also significantly associated with overall risk of premature death. The study, led by CuiCui Wang, a research fellow in the Department of Environmental Health at Harvard T.H. Chan School of Public Health, was published December 4, 2020 in EB...