The requirement for antioxidant nutrients depends on a person's exposure to endogenous and exogenous reactive oxygen species. Since cigarette smoking results in an increased cumulative exposure to reactive oxygen species from both sources, it would seem cigarette smokers might have an increased requirement for antioxidant nutrients. This review examines available evidence of ascorbic acid supplementation and combinations of antioxidants as interventions in smokers and their effect on functional biomarkers of nicotine metabolism, oxidative stress, DNA damage, and endothelial function.
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Use of Practices to Reduce of Sudden Unexpected Infant Death among Caregivers of Opioid Exposed Newborns.
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From the Department of Pediatrics, UMass Chan School of Medicine, Worcester, MA (MGP, AE); Slone Epidemiology Center, Boston University School of Medicine, Boston, MA (FR, CP, SK, MC); Divisions of General Academic Pediatrics and Newborn Medicine, Mass General for Children, Boston, MA (DMS); Department of Pediatrics, Washington University School of Medicine, St Louis, MO (BC, HF, EC); Department of Pediatrics, UMass Chan Medical School-Baystate, Worcester, MA (KH); Department of Biostatistics, Boston University School of Public Health, Boston, MA (TH); and Department of Pediatrics, Boston Medical Center, Boston, MA (EMW).
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Department of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, 800 E. Leigh St., Suite 100, Richmond, VA, 23298, USA.
Cigarette smoking is associated with numerous differentially-methylated genomic loci in multiple human tissues. These associations are often assumed to reflect the causal effects of smoking on DNA methylation (DNAm), which may underpin some of the adverse health sequelae of smoking. However, prior causal analyses with Mendelian Randomisation (MR) have found limited support for such effects.
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