Patients withmoderate-to-severe OSA had larger neck and waist circumferences, a higher frequencyof high blood pressure and a higher percentage of them were on diuretics, b-blockersand ACE inhibitors, as well as AT1 inhibitors compared to patients with mild and noOSA, respectively (Table 1).There was nodifference in the degree of sleepiness (Epworth Sleepiness Scale) between the groups(Table 1). The gene discussed is ACE; the disease is obstructive sleep apnea syndrome.