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No Fun in the Sun:
The deterioration of the quality of men's sperm has been blamed on UV filters that interfere with the functioning of sperm. These filters are found in sunblock, but also in food packaging, paint and textiles.
According to scientists at the international research center Edmarc at Rigshospitalet in Copenhagen, Denmark, men's sperm contains far less spermatozoa that it used to some 70-80 years ago. This is at least partially blamed on chemical UV filters associated with reproduction disorders in animals and potentially affecting the quality of human sperm as well.
"UV filters are among the potentially hormone-destructing chemicals we are exposed to, but they tend to be overlooked in research," Edmarc Research Director Anna-Maria Andersson told the Swedish daily Svenska Dagbladet.