Temporal trends in sperm count: a systematic review and meta-regression analysis is a study which show how from 1973 to 2011, the sperm count in men is dramatically dropped by about 60 %. Professor Shanna H. Swan, a specialist in Reproductive Epidemiology at the Mount Sinai Icahn School of Medicine in New York said this is attributable to the pollutions.
If this reduction continues over the next few decades, we risk encountering a concentration of spermatozoa so low that it even affects fertility. Rresearchers said by 2060 humans could no longer produce enough sperm to reproduce.
According to Swan, as early as 2045 most couples will need assisted fertilization to conceive, as natural sexual intercourse will become more and more complicated.
Pollution: by 2060 most of population at risk of infertility
Article said it is not only the spread of pollutions that affects reproductive capacity, but also the radical change in lifestyle that has taken place over the last 50 years.
Alcohol abuse, a sedentary lifestyle and an unbalanced diet are increasingly widespread behaviors. The impact of these substances also affects other animals, as shown by the study on dogs Environmental chemicals in dog tests reflect their geographical source and may be associated with altered pathology published in Scientific Reports.
Scientists led by Professor Richard G. Lea have shown that man's best friend suffers from the same sperm drop observed in man. Studies on farmed mink have revealed an increasing spread of genital malformations, the spread of which is more marked even among animals exposed to wastewater, contaminated by our toxic chemical compounds.
Institutions such as the European Union are moving to regulate even more strictly the presence of these substances in everyday objects, in particular avoiding the replacement of harmful ones with equally harmful compounds. It will be a very dramatic scenario, as we often watch on the screen.