Soft Drinks May Damage Male Fertility
A study has indicated that high consumption of soft drinks may be
the cause of reduced sperm quality in men
Young men who want to become fathers may want to cut their cola consumption,
according to new Danish research results recently published in the
American Journal of Epidemiology.
Doctors and scientists at Rigshospital and at the University of Southern
Denmark have found a probable correlation between high soft drink
consumption and poor sperm quality.
The study was carried out to determine whether there was a correlation
between caffeine intake and sperm quality.
But project leader Tina Kold Jensen, professor of environmental medicine,
said that the results of the study – which examined 2,554 men at or
around the age of 18 to determine their fitness for military service
during the period of 2001–2005 – clearly showed that their fertility
was inversely related to the amount of soft drinks they consumed.
National research has shown that the consumption of soft drinks has
increased significantly over the past decade, as has the intake of
fast food – mostly by the younger generation.
Jensen did say that because the consumption of soft drinks and fast
food is invariably linked, the lower sperm quality may be down to
the overall poor diets of the men rather than the soft drinks alone.
However, she pointed out that the sperm quality of those subjects
who drank more than 14 half-litre bottles of cola per week was significantly
worse than those who consumed less. Caffeine was probably not a factor,
the study determined, because coffee consumption levels did not show
the same variations in sperm quality.
Not surprisingly to the researchers, the study additionally showed
a link between high soft drink consumption and too little exercise
– a deficiency that also has been shown to have a detrimental effect
on male fertility.
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