A new study has revealed that junk food can make healthy young men infertile by damaging their sperm
A new study has revealed that junk food can make healthy young men infertile by damaging their sperm.
And "trans fats" -- processed oils used to improve food taste cheaply -- are among the worst culprits, the Sun reported.
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Fertility doctors from America's Harvard University and the University of Murcia, Spain, analysed sperm from hundreds of men aged between 18 and 22.
They found those who ate a high proportion of junk food -- takeaways, fried foods, processed red meats, crisps, biscuits and cakes -- had poorer quality sperm than those on a nutritious daily diet.
Their sperm was found less likely to survive the journey to fertilise an egg, even if the lads were a healthy weight and exercised.
And those whose diet included the highest level of trans fats -- listed on labels as "hydrogenated oil" and found naturally in many fried foods -- had the worst quality sperm.
According to the results a diet of wholegrain with lots of vegetables and fish produced the best quality.
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