“…We selected 21 data-based studies testing plasma, serum, or urine for review. The studies examined cardiovascular (Amin et al, 2019; Hayashi et al, 2018; Liu et al, 2018; Matsuzawa et al, 2019; Nie et al, 2018; Walejko et al, 2018; Zhai et al, 2019; Zhu et al, 2020), respiratory (Ottiger et al, 2018), and autoimmune (Bellocchi et al, 2018) disorders as well as diabetes (Li et al, 2018; Liu, Ling, et al, 2017; Tuomainen et al, 2018; Urpi-Sarda et al, 2019), obesity (Liu, Hong et al, 2017; Ottosson et al, 2018; Serena et al, 2018), and human immunodeficiency (HIV) infection (Missailidis et al, 2018; Moon et al, 2018; Shan et al, 2018; Wang et al, 2019).…”