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Plastic "Tox" Episode 1: Plastics & Health – Are Phthalates Making Us Infertile? With Dr. Shanna Swan
plasticpollutioncoalition.org
the rate of adverse reproductive changes in males is increasing by about 1 percent per year.
Shanna H. Swan • Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race

In Western countries, sperm counts and men’s testosterone levels have declined dramatically over the last four decades, as my own research and that of others has found.
Shanna H. Swan • Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race
Endocrine-disrupting chemicals, as well as lifestyle factors—including diet, physical activity, smoking, and alcohol or drug use—can alter these parameters, sending levels of these crucial hormones in the wrong direction.
Shanna H. Swan • Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race
In some ways, the picture looks even worse when you delve deeper because it’s not just an issue for men. Women, children, and other species are also having their reproductive development and function commandeered in a dysfunctional direction.
Shanna H. Swan • Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race
Not only have I shifted from being dubious to being utterly convinced that a dramatic decline in sperm counts is occurring, I’ve also discovered that various lifestyle factors and environmental exposures may be acting in tandem or in a cumulative fashion to fuel the decline.
Shanna H. Swan • Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race
The worst offenders: chemicals that interfere with our body’s natural hormones. These endocrine-disrupting chemicals (EDCs) are playing havoc with the building blocks of sexual and reproductive development. They’re everywhere in our modern world—and they’re inside our bodies, which is problematic on many levels.