In the past two days, I read a couple of articles that are related in some way and made me think about us humans.

First, an article about a new study that says men over 40 are much more likely to have autistic children, in fact, the chances are six times those of fathers below 30!

The second article is about the British Fertility Society recommending that women put their fresh young eggs on ice at 30 to improve their chances of conceiving at 40-plus, another reason why conceiving earlier is better.

So both are saying that people should have children earlier….and that at 40 your body is telling you that its a bit too late.

My question is….how long will that last?? I mean evolution is part of nature, and the definition of evolution according to the Encyclopedia Britannica is -

“..theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations.”

Modifications in successive generations is what I’m interested in. Humans now are very different than humans 400, or even 100 years ago! Unlike our predecessors, we do not live according to what nature has provided us, for example, in the past, the day started with the break of dawn and ended at sunset. Now we have electricity and therefore have enough light to stay up during the night, to the point that many of us have became nocturnal beings, living in the night! This has to be a radical change in our biological systems, but will this change us eventually?? Will our grand-grand-grand-children evolve to have better night vision for example??

Another example of how we abandoned nature is the relation between women’s menstural period and the moon. I read this somewhere before but don’t remember where, that women’s periods are affected by the cycle of the moon, and that back in the day, it was a practical thing because when the moon was at its fullest, the men used to go hunting or whatever and leave their women behind, and it was during that specific time that women went through their period. Its pretty interesting, but irrelevent now! That has to be some sort of evolution process.

Now we come to the two articles above. Nowadays, it is common for people to marry in their late twenties and mid-thirties, and consequently, have children at around that age. Compare this to how things were back in the day, not so far back, even to the time of our grandparents, when they used to get married early in their teens, and have children at around 16 or 17 if not younger. Biologically, this is probably how it should happen, since both bodies are able, but socially, it is unacceptable in our age! We are having children at an older age than before because of work and career and so on (I am talking worldwide, not just us), so will our bodies adapt to this as time moves on??

Very philosophical topic today, but I think its interesting :P

Also, how would you like to evolve?