36 votes

Are chemicals in plastic causing a significant reduction in fertility?

Western world Indeed, according to the Independent there is a crisis regarding fertility rates. But rather interestingly the same trend has not been observed in other parts of the world such as South ...
John Strachan's user avatar
35 votes
Accepted

Did a Planned Parenthood vice president write a memo discussing fertility reduction?

I understand the claim you want to be tested is the claim by the Wikipedia page of Frederick S. Jaffe that there existed a memo he wrote that contained the table provided. The Wikipedia page provides ...
Oddthinking's user avatar
  • 143k
24 votes
Accepted

Does keeping phone in the front pocket cause male infertility?

The article provides no evidence for the claim. While there is some evidence linking cell phones to specific types of cancer, her claim that putting your phone in your pocket puts you at higher risk ...
Schwern's user avatar
  • 19.7k
12 votes
Accepted

Does eating Okra cause male infertility?

Current insights are contradictory, sparse and most results either way are not in exactly well respected journals or from highest quality studies. Seemingly alarming evidence for dangers in terms of ...
LangLаngС's user avatar
  • 44.1k
11 votes

Are chemicals in plastic causing a significant reduction in fertility?

Are chemicals in plastic causing a fertility crisis? I will be more assertive: SOME chemicals in plastics, or plastic coating, have proven effects on hormones and fertility. For example bisphenol A, (...
JB.'s user avatar
  • 210
9 votes

Did the Polish birth rate soar because of a curfew imposed in the 1980s?

Martial law was in operation in Poland from 13 December 1981 to 22 July 1983, so the article might suggest an increase in births in 1982 and a further increase in 1983, followed by falls in 1984 and ...
Henry's user avatar
  • 13.5k
6 votes

Are chemicals in plastic causing a significant reduction in fertility?

There are two quite typical problems with the claim: It's impossible to strictly prove a negative (as in "X has no impact on health"). It's only ever possible to evaluate a specific ...
Dmitry Grigoryev's user avatar
6 votes
Accepted

Can using heated car seats reduce fertility?

The Telegraph article may be correct. There was a study that showed that sitting on a heated car seat increases scrotal temperatures by about 0.5°C. https://www.ncbi.nlm.nih.gov/pubmed/17919605 It ...
T.Monk's user avatar
  • 76
4 votes

Did a Planned Parenthood vice president write a memo discussing fertility reduction?

While the other answers are good, the Senate record is from 1973, four years after the memo was written. The first publication of the table alone was in "U.S. Population Growth and Family ...
DavePhD's user avatar
  • 107k
4 votes

Did a Planned Parenthood vice president write a memo discussing fertility reduction?

Yes, Jaffe's Memo is real. Guttmacher Institute (former Planned Parenthood branch) republished it, along with other documents by Frederick Jaffe on its official website, in the FAQ section: Who was ...
Sylvia's user avatar
  • 409
3 votes
Accepted

Are men more attracted to women who are ovulating over those who are not?

Yes, although it is generally said that humans do not have estrous cycles in the way most mammals do, there are indeed multiple peer-reviewed studies suggesting that people (not just men, and in some ...
Brian Z's user avatar
  • 7,480
3 votes
Accepted

Do 38% of couples conceive within one month of trying to conceive?

That study was published in Germany in 2003. As Nate Eldridge says, the reference is "Time to pregnancy: results of the German prospective study and impact on the management of infertility"; C. Gnoth,...
Henry's user avatar
  • 13.5k

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