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Morbid obesity: When are you medically overweight?

Medically reviewed by Karina Tolentino, RD Key Takeaways A BMI of 40 kg/m2 or higher is considered morbidly obese. Morbid ...

What BMI does and doesn't say about your health, according to doctors

BMI (body mass index) has long been thought of as an indicator of how healthy someone is. The truth is a little more complicated, doctors say.