Lifestyle choices from smoking to wearing tight underpants change men’s sperm, and animal studies suggest these changes affect children’s health and behaviour
Source:
https://www.newscientist.com/article/2215605-how-you-live-affects-your-sperm-and-perhaps-your-future-children-too/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home