In addition, because PPARα ligands are being found to have diverse health effects in hyperlipidemia, Alzheimer’s disease, and alcoholism, mead acid may be a promising tool for alleviating not only skin diseases but also a variety of inflammatory diseases (Hack et al., 2012; Beckenbach et al., 2015; Pawlak et al., 2015). Here, PPARA is linked to early-onset autosomal dominant Alzheimer disease.