Increasing stomach fat -- also known as the hidden fat in abdomen -- can lead to worsening heart disease risk factors according to a study. The study adds to the growing evidence that regional fat deposits are harmful and further suggested that the density of the stomach fat (measured by CT scan) is important. Previous studies have shown that people who carry excess abdominal fat around their midsection tend to face higher risks of heart disease compared to people who have fat elsewhere. In general the higher the fat content the lower the attenuation or fat density. The study shows