Read now What is the problem with BMI? BMI is a very simple measurement. While it takes height into consideration, it does not account for factors such as: High-performance athletes, for example, tend to be very fit and have little body fat. They can have a high BMI because they have more muscle mass, but this does not mean they are overweight. BMI can also offer a rough idea of whether or not a person's weight is healthy, and it is useful for measuring trends in population studies.
View All Is being somewhat overweight — having a moderately elevated BMI — associated with increased medical risk, or is it not? While obesity pretty clearly increases medical risk, and while society and the medical experts have lately placed great emphasis on maintaining a "normal" body weight, the excess risk posed by being merely overweight as opposed to obese is less clear. What the Studies Say The unsettled nature of this question briefly popped into view a few years ago when an article appearing in the Lancet suggested that heart patients who were a "little" overweight, according to their BMI body mass index score, actually had a slightly lower risk than patients who were of "normal" weight. Even the authors of this paper seemed a little embarrassed by these findings. And to confuse the issue further, two major articles appearing at about the same time in the New England Journal of Medicine supported the more popular notion—that being overweight, by any amount, increases the risk of mortality. Trying to stifle public confusion about the matter, according to the Wall Street Journal the Centers for Disease Control instructed its researchers not to comment publicly on the new studies, and " a spokeswoman for the agency had no comment as well.
Is Being A Little Overweight Really OK? The BMI Controversy
Type 2 Diabetes What is type 2 diabetes? Type 2 diabetes is a disease in which blood sugar levels are above normal. High blood sugar is a major cause of heart disease, kidney disease, stroke, amputation, and blindness.
Compared with people of normal weight, those who are overweight or obese are at greater risk for many diseases, including diabetes , high blood pressure , cardiovascular disease , stroke , and many cancers. Extreme or severe obesity is also associated with an increased death rate; heart disease , cancer, and diabetes are responsible for most of the excess deaths 1 , 2. How common is overweight or obesity? The percentage of children and adolescents who are overweight or obese has also increased 3. For example, in — among adults, non-Hispanic blacks had the highest prevalence of obesity