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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 particular, the ubiquity of insidiously harmful chemicals in the modern world is threatening the reproductive development and functionality of both humans and other species.
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
Plastic "Tox" Episode 1: Plastics & Health – Are Phthalates Making Us Infertile? With Dr. Shanna Swan
plasticpollutioncoalition.org
Simply put, we’re living in an age of reproductive reckoning that is having reverberating effects across the planet.
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
After a man starts producing sperm during early adolescence, he’s at continuous risk for potential harm to his swimmers, a vulnerability that lasts for the rest of his life.
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
given the declines in sperm count and testosterone levels and the increases in hormonally active chemicals that are being spewed into the environment, we really are in a dangerous situation for mankind and world fertility.
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.