Hepatic steatosis is a common phenotype for aged mice (Jin et al., 2010; Ogrodnik et al., 2017), Zmpste24 mutants (Marino et al., 2008; Pendas et al., 2002), and liver‐specific Lmna knockouts (Kwan et al., 2017). The gene discussed is LMNA; the disease is fatty liver disease.