We know that environmental pollutants can lead to cancer, heart disease, and brain damage, but now one scientist is linking them to shrinking penises . Yep, you read that right. In her new book Count Down , reproductive epidemiologist Shanna Swan, Ph.D., argues that the downsizing of one particular male organ can be connected to everyday chemicals. If that’s not sobering enough for you, the book’s subtitle is How Our Modern World Is Threatening Sperm Counts , Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race . Courtesy Image If Swan’s name sounds familiar, it may be due to the 2017 study she helped conduct that found that, in Western countries, men’s sperm counts have dropped by more than half over nearly 40 years. America's favorite pre-sex foods. Who says food can't be foreplay. Find out what Americans are eating before they get it on, plus the ... Read article What’s to blame for shrinking penises In the case of penis