

The “fat cells are multiplying” is normal when having surplus calories in the body. The “empty fat cells scream hunger” is something that was suspected basically for ages, but has finally be proven not long ago, the paper is less than half a year old. It had been referred to here on Lemmy, at least to a science or nature article that pointed to the paper.
Sadly, no. I sat down and tried to remember the title, but it won’t come up. It is not old, two to three months at most, I’d say. I’m going to bed now, maybe it will pop up tomorrow. In that case, I’ll update this.