ANS, autonomic nervous system-the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands.
Underweight: Your BMI is less than 18.5. Healthy weight: Your BMI is 18.5 to 24.9. Overweight: Your BMI is 25 to 29.9. Obese: Your BMI is 30 or higher. The chart below shows examples of body mass indexes. The figure at which your height corresponds with your weight is your body mass index. To find yours, consult the chart, or use WebMD's BMI calculator.
Once you have calculated your BMI, you can work out your healthy weight range. If you have a BMI of: Under 18.5 â you are considered underweight and possibly malnourished. 18.5 to 24.9 â you are within a healthy weight range for young and middle-aged adults. 25.0 to 29.9 â you are considered overweight. Over 30 â you are considered obese.