https://www.nature.com/articles/s41586-024-08165-7
Summary: high body fat is associated with epigenetic changes in fat cells that make it easier for those who gained and lost high body fat to regain body fat, compared to those who never had high body fat before.
It’s already been shown that many cells in the body retain memory including real life memory. It’s not just a brain function. Memory cells are apart of many organs in your body. It’s fascinating that people who have received organ transplants can have actual memories of events from those of people whom from they’ve they have received organs.