> The authors pointed out “there are significant drawbacks in the existing human literature” including “lack of longitudinal studies, methodological heterogeneity, selection of tissue type, and the influence of developmental stage and trauma type on methylation outcomes”

The literature in this area is a mess, has become highly politicized. I’d give it another 10 or so years before I made any strong statements about these effects in humans. Famously the study of Holocaust survivors’ descendants didn’t show transgenerational effects.