Lecture 2: Understanding Fat: Syndrome X and Beyond
by Ronald M. Evans, Ph.D.
Play Lecture Two in Full
Introduction by HHMI Vice President Dr. Peter Bruns
Introductory interview with Dr. Ronald Evans
What changed in the last 30 years to cause an obesity epidemic?
Food, particularly fat, is irresistible
Contributing factors to obesity
How many calories are in one ounce of fat?
Portion sizes have gone up
Sedentary lifestyle and marketing are also factors
Obesity trends worldwide and in the U.S.
BMI and its shortcomings
Environment can affect obesity: The Pima Indian example
Animation: How dietary fat ends up in fat tissue
Q&A: Can differences in Pima tribes be attributed to genetic changes?
Q&A: Have adoption studies looked for genetic differences in the Pima?
Q&A: What do the four heaviest states have in common?
Q&A: Are fast-food restaurants responsible for obesity?
Is obesity related to laziness?
Video: Behavior of obese and normal mice
Health consequences of being overweight
Animation: Timeline of obesity-related health problems
Animation: How a heart attack occurs
The role of fat tissue
The link between fat and sugar
Diet and exercise are key
Q&A: How long have you been a researcher in fat?
Q&A: What disease is caused by glucose gridlock?
Q&A: What is the difference between good fat and bad fat?
Q&A: How are LDL and HDL levels controlled?
Q&A: Why is adipose tissue in the muscle?
Q&A: How does the body decide where to store fat?
Q&A: What are the effects of gaining fat centrally and elsewhere?
Q&A: What research is there relating depression and obesity?
Closing remarks by HHMI Vice President Dr. Peter Bruns