G6PD and rheumatoid arthritis: Of total 49 patients considered as 100% who suffered from illnesses, the proportions of patients were; hypertension (N = 3, 6.1%), diabetes mellitus (N = 6, 12.2%), sickle cell anemia (N = 7, 14.3%), thalassemia (N = 1, 2%), glucose 6 – phosphate dehydrogenase (G6PD) (N = 17, 34.7%), asthma (N = 6, 12.2%), rheumatoid arthritis (N = 1, 2%), psoriasis (N = 2, 4%), gastro esophageal reflux disorder (GERD) (N = 1, 2%), migraine (N = 2, 4%), obesity (N = 2, 4%) and epilepsy (N = 1, 2%).