Does sympathoadrenal activity predict changes in body fat? An 18-y follow-up study

Background:Whether alterations in the sympathoadrenal system contribute to obesity or, rather, are consequences of it, is an unresolved issue. Objective:We hypothesized that the sympathoadrenal system plays a predictive role in the development of body fat. Design:At entry, arterial plasma epinephrine and norepinephrine concentrations were measured in 99 healthy men (x̄ ± SD age: 19.3 ± 0.4 y) at rest and during a mental stress test and a cold...