3 ms·

> So, very speculatively, one might suggest that sperm counts started declining between 1951 and 1974. I hope that's due to lifestyle changes rather than with

• alpaca128 4y ago
  The 1950s were the start of our long-term exposure to plastic materials and we've known for a while that some of those substances aren't great for our health. In contrast nuclear tests and power are usually well contained exactly because of the high risks. And if some of the few accidents had any widespread long-term effect there would probably be a visible bump in the statistics.
  • helsinkiandrew 4y ago
    > In contrast nuclear tests and power are usually well contained exactly because of the high risks I was thinking more of the open air tests undertaken around the world - for example Castle Bravo in the Pacific where "The fallout spread traces of radioactive material as far as Australia, India and Japan, and even the United States and parts of Europe". https://en.wikipedia.org/wiki/Castle_Bravo https://en.wikipedia.org/wiki/Castle_Bravo The increase in Carbon-14 in the atmosphere due to nuclear tests is large enough to be detected in all living organisms: https://en.wikipedia.org/wiki/Bomb_pulse https://en.wikipedia.org/wiki/Bomb_pulse