A monkey in a cage goes bananas, a thread.

Humans in modern environments are like monkeys at the zoo.

Evolutionary mismatch regarding diet, exercise and the nature of our modern social world affect life for many of us on a daily basis.
You run into a higher total number of stranger each day than our ancestors ever would have.

Dunbar’s number of 150 is itty-bitty by any modern standards.

Did you ever notice that you get nervous giving a talk in front of a group of strangers?

Well, guess what?
You have the option of spending 90% of your waking hours sitting at a desk — and you often exercise this option.

Anthropologists estimate that people in a modern nomadic group might migrate, with a combination of walking and running, about 20 miles in a typical day.
Your extended family includes people dispersed across hundreds of miles.

Under ancestral social conditions, family was close by. When someone had a baby, the entire community was there to help.

Being isolated from kin has the capacity to wreak havoc on our emotional states.
You are bombarded with images of violence.

Under ancestral conditions, seeing violence and bloodshed never took place remotely.

If you experienced it, you were in the thick of it.

And it would have been terrifying because of the obvious survival-related implications.
You are exposed to politics at a global scale, often discussing about issues that potentially pertain to millions of other humans.

Our nomadic ancestors never dealt with large-scale politics.

Minds evolved to think locally.
You spend a great deal of time interacting with screens — never having to be bored at all.

We evolved to be psychologically rewarded for connecting socially with others.

All interactions used to took place in face-to-face contexts.

If you wanted to date, there was no Tinder.
You live in a world in which processed foods are cheaper and more accessible than natural foods.

Our ancestors not only often ran into drought and famine, but also rarely had access to foods that were high in sugar and fat.

Still puzzled by the modern obesity epidemic?
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