Biology 2485B Lecture Notes - Lecture 13: Childhood Obesity, Overnutrition, Global Issue

• School: Western University
• Department: Biology
• Course: Biology 2485B
• Professor: Ben Rubin

Document Summary

There are problems with how the current agricultural production is distributed. Some people experience undernourishment, meaning they get less than 90% of their daily caloric needs: mainly in developing countries. Some people experience overnutrition, where they get too many calories each day. In canada, 48% of adults exceed their healthy weight and 14% are obese: malnutrition, a shortage of they nutrients the body needs, even though they may not be undernourished, the diet lacks adequate vitamins and minerals. Rise in obesity first observed in us in late 1980s: rise in obesity first noticed in late 1980"s in usa, rapid increase in proportional of people classified as obese or extremely obese, overweight stays more constant. Definition of obesity: based on bmi: bmi chart where you plot height vs. weight and the category you fall into, normal bmi 18. 5-25, overweight bmi: 25-30. Increases in how heavy people are over time in multiple countries: mexico: highest rates of overweight + obesity.