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Sugar Consumption Is Negatively Associated with Semen Quality.

Michal Efrat1,2, Anat Stein3,4, Haim Pinkas3,4

  • 1Department of Nutrition, Faculty of Health Sciences, Ariel University, 40700, Ariel, Israel.

Reproductive Sciences (Thousand Oaks, Calif.)
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High sugar intake, particularly from soft drinks and added sugars in food products, is linked to reduced sperm concentration. This study highlights a negative association between dietary sugar and semen quality.

Keywords:
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Area of Science:

  • Reproductive health
  • Nutritional science
  • Epidemiology

Background:

  • Declining semen quality globally necessitates research into contributing lifestyle factors.
  • Increased sugar consumption parallels observed decreases in male reproductive health indicators.

Purpose of the Study:

  • To investigate the association between dietary sugar intake and semen quality parameters.
  • To quantify the impact of specific sugar sources (soft drinks, added sugars) on sperm concentration.

Main Methods:

  • Cross-sectional study of 280 men undergoing semen analysis.
  • Semen quality assessed using WHO criteria (volume, concentration, motility, morphology).
  • Dietary intake evaluated via food frequency questionnaires (FFQ), with analysis of soft drink and added sugar consumption.

Main Results:

  • A negative association was found between overall dietary sugar consumption and sperm concentration.
  • Higher soft drink consumption correlated with significant decrements in sperm concentration (18-23%).
  • Increased intake of added sugars in food products also showed a negative association with sperm concentration (15-17%).

Conclusions:

  • Dietary sugar consumption, especially from soft drinks and added sugars, is negatively associated with sperm concentration.
  • Findings suggest a potential detrimental effect of sugar on male fertility.
  • Further research is warranted to explore causal mechanisms.