Ten healthy non-obese adults (control group, age = 42.4 ± 15.1, BMI = 22.4 ± 1.3, five women and five men) and ten obese adults (obese group, age = 46.2 ± 19.6, BMI = 35.2 ± 2.8, five women and five men, F(1,18)=0.3, p>0.05, and F(1,18)=176.3, p<.001, for control vs. obese age and BMI, respectively) voluntarily took part in this investigation.