Is Your Weight a Health Risk?

Experts have long warned that excess weight increases the risk for heart disease, some cancers, diabetes and other life-threatening conditions. But how much weight is too much?

People with a body mass index (BMI) of 25 are considered overweight, and being overweight increases your risk for developing health problems. Obesity, defined as having a BMI of 30 or more, poses the greatest weight-associated risks.

Research indicates that the most successful weight-loss efforts include:

• Reduced food intake. Most overweight and obese people can lose one to two pounds a week by cutting 500 to 1,000 calories from their diets each day.
• Increased activity. An additional 100 to 200 calories can be burned each day by walking for 30 to 45 minutes five days a week.
• Use of behavior modification tools, such as keeping a food diary.