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There are fewer sperm in male semen. Researchers tend to associate this with a changing lifestyle. For example, physical activity is known to improve sperm quality, and more and more young men spend a lot of time sitting.
If you browse through the tips for men on what to do to make their attempts at having a child more successful, you will notice that they are offered to wear baggy pants and walk more often.
But there are other suspects. New York scientist Shanna Swan, who studies reproduction, currently believes that the chemicals used in the production of plastic are harmful to male fertility.
For example, esters of phthalic acid, better known as phthalates. These chemicals help regulate the elasticity, transparency and environmental resistance of plastics. They are everywhere from disposable packaging to our everyday items. It is true that phthalates are limited due to known adverse effects.
Research has shown that phthalates disrupt hormonal imbalances and can cause a wide range of problems, from diabetes to infertility. Swan says he notices that not only are male fertility rates declining, but the biggest differences between developing boys and girls are disappearing. Boys and girls grow up differently.
For example, if young mothers asked how many words their sons know, the girls’ mothers will be more glad that their daughters already understand the language well. Boys, of course, catch up with girls in this area. But, according to Swan, those differences are disappearing.
In addition, according to Swan, the problem is increasing. Phthalates affect unborn babies. Then, of course, children and adults themselves are exposed to phthalates, thus experiencing their strong effects throughout life and then sharing them with their children.
The strangest thing is that the negative effects of phthalates are relatively well known, which is why the use of these chemicals is regulated both in the European Union and in Canada and the United States. The Dutch office of Greenpeace is even calling for a ban on the use of phthalates in the manufacture of sex toys. Ditching these chemicals entirely requires more research and, of course, finding a less harmful alternative.
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