Only the size of each cell can be altered. When an obese person reduces body size, there is a decrease in fat cell size but no change in fat cell number. That extra flab that you are carrying could be fatal. Excess weight and body fat has been isolated as risk factor in many medical problems. They have urged the medical community to treat it with urgency.
Obesity is implicated the most strongly in coronary disease.
The two go together like a horse and carnage. This means that fatness, in and of itself, raises your chances of having a heart attack even if none of the other risk factors are present. But if you're overweight, it's probable that some of the other ten risk factors are present too. The reason excess weight also contributes to the development of diabetes, hypertension, and elevated blood lipid levels - and each of these three conditions is on the AHA list too. This adds up to a fourfold linkage between coronary artery disease and obesity.