Higher consumption of SSB was associated with lower sperm motility among healthy, young men. . . .
As in all cross-sectional studies, causal inference is limited. An additional problem is that only [a] single semen sample was obtained from each subject. . . .
To our knowledge, this is the first report on the relation between SSB intake and low semen quality beyond the contribution of caffeinated beverages. While our findings are in agreement with recent experimental data in rodents, more studies are required to draw conclusions on the relation of SSB with semen quality or male infertility.