Uploaded October 2021 | Updated September 2026, 1 day ago
Dr. Shanna Swan and her team of researchers completed a major study and found that over the past four decades, sperm levels among men in Western countries have dropped by more than 50%. How and why could this happen? What is hijacking our fertility and our health? Join Vail Symposium and Dr. Swan to discuss Swan’s book “Count Down” and address these questions.
Dr. Shanna Swan and her team of researchers completed a major study and found that over the past four decades, sperm levels among men in Western countries have dropped by more than 50%. How and why could this happen? What is hijacking our fertility and our health? Join Vail Symposium and Dr. Swan to discuss Swan’s book “Count Down” and address these questions.










