Download The Skinny on Fats - Northern Highlands

The Skinny on Fats!
(WEBQUEST)
Use the following websites to help you answer these Questions
www.umm.edu/features/transfats.htm
http://www.americanheart.org/presenter.jhtml?identifier=532
http://www.cbsnews.com/stories/2006/09/27/fyi/main2045893.shtmlfeatures/transfats.htm
www.scientificpsychic.com/fitness/fattyacids.html
1. What is the difference between a saturated fat, an unsaturated fat, and a polyunsaturated
fat?
2. Which of these fats is considered the "least healthy" and why? Which one is considered the
"most healthy" and why? (What diseases can be attributed to the least healthy Fat?)
3. What is meant by the term hydrogenation?
4. Why is hydrogenation desirable for food producers? What are the benefits of
Hydrogenation?
5. What is the difference between a fat and an oil?
6. What are the difference between Cis and Trans Fats? Define both of these fats! Are they
saturated fats or unsaturated fats?
7. Trans fats have been implicated in a number of diseases that effect human circulation. Why
are trans fats "bad" and cis fats "good"? (Explain how the human body metabolizes each one
and remember, FORM DICTATES FUNCTION!)
8. What is the Difference between HDL and LDL? What is there effect on human health? How
do Trans Fats affect the concentrations of these chemicals in the body?
9. Why have trans fats been so widely used in America over the past 40 years? What is their
benefit?
10. What foods are considered exceptional sources of trans fats?