More than 60 percent of US adults are considered overweight. People who are overweight are at increased health risk for diseases including heart disease, diabetes, stroke, osteoarthritis, gallbladder disease, gout, and certain types of cancer. Studies have shown that losing as little as 5 percent to 10 percent of your body weight can improve your health.

Likewise, being underweight can also lead to health conditions such as anemia, heart problems, and chronic fatigue. An obsession with weight loss may also lead to eating disorders and nutritional deficiencies that may be life threatening.

Use the Healthy Body Weight Calculator to determine your healthy body weight range.

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