Fat cells have a “memory” of obesity, which may help explain why it’s so difficult to maintain weight loss, according to a new study published Monday in the journal Nature.

Here’s what fat cells are and their impact on weight loss. Fat cells, also known as adipocytes, are very much needed for storing energy in the form of fat. When we gain weight, these cells ...

Fat cells in your body make leptin, and leptin tells your body when you have enough stores of fat, decreasing your appetite. What If I Want to Lose Weight On My Own? Some people can lose weight easily ...