The Effect of Knowledge on Happiness

The way in which genes affect happiness may depend on knowledge. A cultural change may affect what people deem to be good looks, and that would then change whether people tend to be made happier by virtue of having particular genes. Nothing in the study can detect whether such a change is about to happen. Similarly, it cannot detect whether a book will be written one day which will persuade some proportion some proportion of the population that all evils are due to lack of knowledge. If some of those people consequently create more knowledge than they otherwise would have, and become happier than they otherwise Would no longer be so.