Correlation between low sperm quality and soda consumption

Sugar-sweetened beverage intake in relation to semen quality and reproductive hormone levels in young men. The authors found that

SSB intake was inversely related to progressive sperm motility. Men in the highest quartile of SSB intake (≥1.3 serving/day) had 9.8 (95% CI: 1.9,17.8) percentage units lower progressive sperm motility than men in the lowest quartile of intake (<0.2 serving/day) (P, trend = 0.03). This association was stronger among lean men (P, trend = 0.005) but absent among overweight or obese men (P, trend = 0.98). SSB intake was unrelated to other semen quality parameters or reproductive hormones levels.

If you’re dealing with male infertility, the lesson here is don’t drink sugar-sweetened beverages. In any case, it’s not a good idea to drink them no matter what.

The results could be, in my view, due to increased oxidative stress from dietary sugar. Ox. stress comes with diabetes and is at least one of the causes of its complications. “Oxidative stress can be reduced by controlling hyperglycemia and calorie intake.” Link. Diabetics have lower sperm counts and semen volume. So, to avoid this fate, keeping blood sugar and insulin levels normal by refraining from SSBs would be a good idea.

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