by Anna Maltby
Arthur Belebeau You've probably heard many times -- even quite recently -- that it's possible to be overweight or obese and healthy. However, a new systematic meta-analysis, being published this week in Annals of Internal Medicine, suggests that concept might just be a myth.
The researchers pored over eight previous important studies on weight, heart disease, metabolic syndrome (a group of risk factors that include low HDL cholesterol, high-fasting blood sugar and high blood pressure) and death -- which overall included information on more than 60,000 individuals. The scientists grouped people as such: metabolically healthy and normal weight, metabolically healthy and overweight, and metabolically healthy and obese. (They also looked at metabolically unhealthy people in each weight category and, unsurprisingly, found that they had a higher risk of death and cardiovascular events--such as heart attacks -- than metabolically healthy folks at a normal weight.)
Upon their review,