Are You Hungry? by Kathleen McGowan. Discover September 2002, pp. 23-24.
When you have completed study of this article, you should be able to:
1. give everyday definitions of the following terms:
|gherlin||neuropeptide Y (PYY-3-36)|
2. have a basic understanding of the anatomy and physiology of a normally functioning human digestive system.
3. give examples of how we have evolved to have preferences for some food items (sweet, salty, fatty) and distastes for others (bitter, sour).
4. reconstruct the sequence of events which cause us to be hungry, eat, and feel full.
5. explain how the normal sequence of eating events is disrupted by Prader-Willi Syndrome.
Body Mass Index (BMI)
Body mass index (BMI) is a measurement based on height and weight as it relates to body fat, and can be used to determine how much risk a person has of developing certain health problems because of his or her weight. As a point of reference, someone with a BMI of 27 is approximately 20 percent overweight. The higher the BMI, the greater the risk a person has to develop additional health problems.
Less than 18.5
|Normal||18.5 -- 24.9|
|Overweight||25 -- 29.9|
|Obesity I||30 -- 34.9|
|Obesity II||35 -- 39.9|
|Extremely Obese III||40 and over|
Links to more information:
Prader-Willi Syndrome Association
Cracking the Fat Riddle, by J. Madeline Nash. Time Magazine, September 2, 2002. pp 47-55.