<qa>  What is the BMI?Exclusion criteria include BMI 40 kgm2; diabetes mellitus; aortic, heart and valve diseases; renal failure; other identifiable causes of hypertension, no adherence, use of cocaine, amphetamines, other illicit drugs, sympathomimetics decongestants, anorectics, oral contraceptive hormones, nonsteroidal anti-inflammatory drugs. 