If sperm was an animal, science might worry that it's heading toward extinction in Western nations.
원문출처 : https://www.cnn.com/2020/02/21/health/poor-diet-kills-sperm-quality-wellness/index.html
원문출처 : https://www.cnn.com/2020/02/21/health/poor-diet-kills-sperm-quality-wellness/index.html