[Frost1x]

While I tend to agree with you WRT to diet and exercise, I think this is a secondary issue to what's being described here, similar to how I think modern science and technology has skewed the natural selection process with a bias that may select for undesirable attributes. Some of this bias may be for good intentions (allowing less fertile couples to conceive) while some may have questionable outcomes (selection based purely on socioeconomic status). Again, I think these are separate issues. Efforts I worked with looked at effects of contaminants such as manganese artificially introduced in natural water systems but that's just one, there's dozens of concern.

The issue discussed in this article has quite a few biologists I've interacted with concerned which deal with products we redistribute or manufacturer back into the environment that may be causing these issues. Endocrine disruption is occurring in other species in the wild less or not clearly effected by the issues described above (selection bias, cultural biases in exercise/diet, etc.), and for all intents and purposes, seem to be going along with a sort of survival of the fittest model yet they're still having endocrine issues.

In the anthropocene era, it's quite possible some of our behaviors are causing this and it wouldn't be the first time: lead and CFCs come to mind in the past. We have what appears to be a smoking gun, but we still haven't identified the shooter. We should definitely improve the factors that we can like diet and exercise and look to remedy socioeconomic selection biases for reproduction but the issue at hand may be one you can't simply diet and exercise your way out of and we need to continue to investigate it and find the root cause.

[calvinmorrison]

"Some of this bias may be for good intentions (allowing less fertile couples to conceive) while some may have questionable outcomes (selection based purely on socioeconomic status)."

First let's not anthropomorphize nature, or natural selection. But secondly, in 1st world countries, the more money you make, the less likely you are to have kids! We've done a terrible job at incentivizing couples to have kids since women have entered and made up a good part of the work force, and it's hard to blame someone in a good career, married to someone in a good career, to take off 10-15 prime years of their lives to have children.

I think that waiting to have children until later (late 20's to early 30's) is a big problem in terms of fertility and successful child bearing. Unfortunately the human clock doesn't really jive with the "4 years of college, work a bit and then think about marriage and kids".

I don't have a conclusion except we might want to think about increasing the birth rates among high and medium earners in our populations where they are struggling, lest we become like Japan or other countries (some in Europe which depend on importing labor in order to satisfy demand)

[flerchin]

I feel like a wealthier and wealthier population, slowly shrinking, might be the sustainable future we need. Yes there will be challenges, but geometric, or even linear, population growth of the human species is not sustainable.

[DoingIsLearning]

I am not necessarily disagreeing but you're description matches closely to one of the distopian worlds in Asimov's Foundation Series.

'Solaria' is this planet of abundance with strict population controls and where robots do all the hard work and wealthy generation for their owners.

[greenonions]

Shocking to think that our society would discount the future for the present...

On a serious note however, babies and a growing population is an enormous advantage to a nation. I would think it would be massively popular to increase benefits to those who are having children. Full disclosure, I found out my wife is pregnant yesterday, but still.

[tenebrisalietum]

Babies and a growing population is an enormous advantage only if there are enough resources for everyone and they are distributed in such a form that does not end up cause social infighting. Otherwise it just contributes to instability.

There are also women who are infertile due to no fault of their own (e.g. cancer, etc.), why should they be excluded from any resources whatsoever due to something that is not their fault?

[omilu]

>There are also women who are infertile due to no fault of their own (e.g. cancer, etc.), why should they be excluded from any resources whatsoever due to something that is not their fault?

For the greater good of others, taking one for the team.

[souprock]

Nobody is excluded from any resources. Every person gains the benefit when they are a child.

[irscott]

Hey congratulations!

[greenonions]

Thank you!

[Sunspark]

I often wonder if it's something like car tire dust. All those vehicles eroding away the tire material which then goes into the air, soil and water. It goes somewhere.

[mediaman]

Exactly that was found to be responsible for mass killings of salmon in the Puget Sound, and the consequent deaths of orcas and other wildlife.

A rubberizer additive put in tires was getting atomized and then washed off into the streams. It makes salmon swim in circles until they die.

Does it do anything to people? We don't know.

[FooBarBizBazz]

> swim in circles until they die

Quite a metaphor when applied to people.

[Frost1x]

This falls under the umbrella of "particulate matter" and is studied quite a bit. I'm not that familiar with particulates from road dust (specifically from tire erosion), but particulate matter is frequently studied (though not as much for endocrine disruption, at least not that I am familiar with): https://en.m.wikipedia.org/wiki/Particulates

[Apocryphon]

> modern science and technology has skewed the natural selection process with a bias that may select for undesirable attributes

But that's hardly "modern" at all. Any improvement since the dawn of time that increases survivability for any creature that otherwise could not have lived and bred without it would lead to that result. Where does one draw the line?