Not all body fat is created equal. We already know that white and brown adipocytes, or fat cells, are distinct from each other in that white adipocytes store and release lipids while brown adipocytes burn them. But we’re still learning how body fat formation differs from individual to individual based on their diet and exercise regimen. In general, fat tissue in obese adults contains large fat cells, few blood vessels, and a bevy of inflammatory immune cells. Experts have determined that these characteristics intertwine with health complications like insulin resistance and cardiometabolic problems.
