Paternal health and exposure to adverse environments in the period prior to conception have a profound impact on future generations. Adversities such as stress, diet, and toxicants influence offspring health. Emerging evidence indicates that epigenetic mechanisms including noncoding RNA, DNA methylation, and chromatin remodelling mediate these effects. Preclinical studies have contributed to advancing mechanistic understanding in the field; however, human research is limited and primarily observational. Here, we discuss the evidence linking paternal to offspring health and advocate for further research in this area, which may ultimately inform policy and healthcare guidelines to improve paternal preconception health and offspring outcomes.
Keywords: developmental origins of health and disease; epigenetics; paternal intergenerational/transgenerational transmission; sperm.
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