“…The authors of [6,12] found that swimming for 30-90 min, 3 days per week, for 8-33 weeks, resulted in reduced body mass. However, other researchers [18,19] found that swimming for 60 min, 3 days per week, for 10-16 weeks did not affect body mass [18,19]. Similarly, some studies found that swimming for 50-90 min, 3 days per week, for 33-36 weeks resulted in decreased BMI [5,6,12], while other studies concluded that swimming for 45-60 min, 2-3 days per week, for 12-16 weeks, did not affect BMI values [16,17,19].…”