“…An abnormal blood hemoglobin level is one of the causes of the most severe health crises, such as strokes (Al-Harbi et al, 2020;Chang et al, 2020;Guo et al, 2019;Naess et al, 2019;Yoshimura et al, 2020), severe cognitive impairment after a stroke (He et al, 2020), cardiovascular disorders and diseases and heart attacks (Houghton et al, 2020;Park et al, 2020;Rocha et al, 2018;Sabah et al, 2020;Zhang et al, 2019), Alzheimer's and dementia risks and cognitive impairment (Kim et al, 2019;Kung et al, 2021;Shah et al, 2011;Wolters et al, 2019), blood clots (Faes et al, 2019;Gupta et al, 2019), blood diseases, such as sarcopenia leukemia (Hamamyh, and Yassin, 2020;Yoshimura et al, 2020), splenomegaly (Li et al, 2019;Majer et al, 2021;Wei et al, 2021), deterioration of kidney functions (Tsujita et al, 2019), thyroid disorders (Ahmed et al, 2021;Ghiya, and Ahmad, 2019;Islam et al, 2021), blood pressure disorders (ZHAO et al, 2023), dysphagia (Yoshimura et al, 2020), restless legs syndrome (Lyu et al, 2019;Olgun Yazar et al, 2019;Panvatvanich, and Lolekha, 2019), immunity disorders (Yang et al, 2019), risk of viral and bacterial infections, such as COVID-19 (Chowdhury, and Anwar, 2020), ulcers (Soodmand et al, 2019;Yammine et al, 2021), gout (Eun et al, 2019;…”