3 ms·
Sperm count is correlated with testosterone levels, and testosterone levels have also been dropping. http://thechart.blogs.cnn.com/2011/08/18/modern-life-rough
by meric 9y ago
Sperm count is correlated with testosterone levels, and testosterone levels have also been dropping.
http://thechart.blogs.cnn.com/2011/08/18/modern-life-rough-on-men http://thechart.blogs.cnn.com/2011/08/18/modern-life-rough-o...