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Heart Facts: Weight

Overweight / Obese
You become overweight when you take in more calories than you burn off with physical activity. This imbalance is believed to be influenced by a combination of genetic, environmental, psychological, and other factors. Obesity is measured by using a mathematical formula called a body mass index (BMI) - weight in kilograms divided by height in meters squared (BMI = kg/m2). A BMI of 19 to 25 is considered a "healthy weight target" and poses a minimal risk to your health, but a BMI higher than 26 begins to increase your risk for a variety of serious health problems. A BMI of 25 to 29.9 is considered overweight while 30 or above is considered obese. Try our Body Mass Index Calculator to see if you're a healthy weight.

Harmful Effects of Obesity
Excessive amounts of body fat increase your risk of certain health conditions, such as coronary heart disease, high blood pressure, stroke, dyslipidemia (abnormal fat levels in the blood), diabetes, gallstones, sleep apnea (interrupted breathing during sleep), osteoarthritis (wearing away of the joints), and some types of cancer.

Lowering Your Weight and Your Health Risks
. Monitor what you eat.
.To prevent weight gain, the amount of calories you eat should not exceed the amount of energy you expend with physical activity.
. Get regular exercise; at least 30 minutes a day of activity equivalent to brisk walking is recommended.
. If you are overweight, losing as little as 5% to 10% of your body weight can improve your health. 
. You should lose weight slowly; losing about 1 pound per week is a safe way to lose weight.
. Before considering any new diet or exercise regimen, discuss it first with your doctor.



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