The relevance is that the most important contribution genetics seems to make to obesity is the effect on the drive to eat. I learned a lot from this summary of

The relevance is that the most important contribution genetics seems to make to obesity is the effect on the drive to eat. I learned a lot from this summary of obesity genetics: https://www.nature.com/articles/s41576-021-00414-z https://www.nature.com/articles/s41576-021-00414-z