IL10 and post-traumatic stress disorder: Though the functional effects of the IL-10 SNP rs1800872 investigated by Chen et al. (2022) is unknown, Hawn et al. (2022) found evidence that a more proinflammatory environment may contribute to PTSD with higher circulating levels of proinflammatory cytokines and lower levels of an anti-inflammatory cytokine predicting worse PTSD symptom severity at baseline and 2 years, respectively.