Sperm count may be up in the spring but ...
Stress degrades sperm quality, study shows Science Daily - May 29, 2014
Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study. It is not fully understood how stress affects semen quality. It may trigger the release of steroid hormones called glucocorticoids, which in turn could blunt levels of testosterone and sperm production. Another possibility is oxidative stress, which has been shown to affect semen quality and fertility.
Sugary Drinks May Slow Down Sperm Live Science - May 30, 2014
Men might want to think twice before grabbing another soda out of the fridge. Scientists have already shown sugary drinks can add unwanted inches to waistlines, but a new study shows sugar-sweetened drinks such as soda may also lower semen quality. The researchers found that high consumption of sugary drinks was associated with low sperm motility, or sperm movement - but surprisingly, this was true only for healthy, lean men. The researchers found no relationship between sugary drink consumption and sperm motility in overweight or obese men.
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