The largest increase in antidepressant consumption in Europe is in the Czech Republic. There are several factors responsible for this

Over the past fifty years, total sperm count by 62.3 percent. In addition, their average concentration decreased from 104 to 49 million per milliliter. The researchers arrived at the conclusion through a meta-analysis of 223 papers published between 1973 and 2018. The selected studies analyzed sperm samples from 57,000 men from 53 countries. server euronews He points out that since the turn of the century, the rate of decline has doubled.

However, according to Rachel E. Gross of the American Review, it may be the fear of a low sperm count The New York Times Exaggerated. The journalist draws attention to the fact that it is not clear what this means for the ability to bear children. As long as men have a concentration of at least 40 million sperm per milliliter of semen, extra sperm does not increase fertility. “We can’t say it predicts anything,” says reproductive epidemiologist Jermaine Buck Lewis of George Mason University in Virginia.

Scientists do not yet know what is behind this decline. But the data should serve as a wake-up call for politicians to start grappling with the topic, according to urologist Michael Eisenberg of Stanford University in California. He told the magazine, “We do not know the reasons, so there is no reason to panic, but we must start resolving it at the political level to find out the reasons.” Environmental Health News.

Stady The experts published last week in the scientific journal Human Reproduction Update. The work follows a scientific article from 2017 that, in addition to men from Europe, North America or Australia, also evaluated data from South America, Asia and Africa.