Evolutionary Well-Being: the paleolithic model
An evolutionary philosophy has direct implications for a happy and healthy lifestyle. By understanding how we as humans have evolved, we will get a much better understanding of how we can optimally function.
Natural selection has shaped our body and mind for life as paleolithic hunter-gatherers (HGs). Hominids have been living in that way for millions of years after they diverged from the chimpansees. Agriculture only appeared about 10,000 years ago in the Middle East, and even later in most other parts of the world. Therefore, our genes have not really had the time to adapt to the lifestyle of farmers or industrial workers: they still prepare us for a life of hunting and gathering.
This means that there is a fundamental misadaptation between our present lifestyle and the one that our genes expect. This discord can explain a host of so-called "diseases of civilisation": coronary heart disease, obesity, cancer, diabetes, Alzheimer, depression, chronic stress, anxiety, ADHD, etc. These diseases needlessly degrade body and mind, while significantly reducing our life expectancy and sense of well-being.
On the positive side, this insight now allows us to improve our quality of life. We first need to better understand how our paleolithic ancestors lived. We can then choose the elements of that lifestyle that are most appropriate to adopt in our present circumstances. As summarized below, there exists an extensive and quickly growing literature on changes in diet, exercise, and contact with nature that are inspired by the paleolithic lifestyle. Many of those have already been proven to increase our well-being, although further empirical tests are or course welcome.
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