After thorough vetting, we have concluded that the fertility crisis is based on real #Information
Links and sources in thread:
While there have been plenty of studies demonstrating a decline in fertility, there have also been attempts to question the validity of these studies. For example The New York Times has opinionated that the crisis may be overblown:
nytimes.com/2021/06/04/hea…
However, evidence continues to mount in favor of the decline.
A recent follow up to the heavily criticized meta-analysis by Levine et al indicates an even steeper decline than they found in 2017. focusonreproduction.eu/article/ESHRE-…
The group’s first report of a significant decrease in sperm concentration was based on a more limited dataset. To address criticisms, they expanded the sample size significantly, and found an even more drastic trend.
@GQMagazine did a great job laying out different variables, studies and trends in 2018. Excellent feature. gq.com/story/sperm-co…
This raises a big question: how/why is this happening?
Here’s an interesting wrinkle: studies show that by and large infant-mortality is the only major difference between hunter-gatherers and modern society.
rewild.com/in-depth/longe…
This study makes it clear that hunter-gatherers have less metabolic disease despite having varied diets, but not necessarily higher amounts of caloric expenditure!
In the future, we will discuss how light and non-native EMFs are the underlying variable.
onlinelibrary.wiley.com/doi/full/10.11…
Share this Scrolly Tale with your friends.
A Scrolly Tale is a new way to read Twitter threads with a more visually immersive experience.
Discover more beautiful Scrolly Tales like this.
