BIO 196 1st Edition Lecture 10Outline of Last Lecture I. RDA for ProteinII. After age 30?III. New RDA for adults?IV. Protein and weight controlV. NAS Institute of Medicine’s 2002 recommendationVI. How much is too much?VII. Rabbit starvation syndromeVIII. Why eat plant proteins?IX. World hungerX. Chronic hungerOutline of Current Lecture I. Forms of global malnutrition II. PEM (Protein-energy malnutrition)III. Is there a food shortage?IV. Costs of hungerCurrent LectureI. Forms of global malnutrition a. Chronic hungerThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.i. Lack of kcalsii. Common deficits are in the 100-400 kcal range/dayiii. *200 kcal def. = 20-30 lb. weight loss per year1. If a child or underweight already? BADiv. U.N. estimates it would cost $30 Billion a year to feed the hungryb. Protein-energy malnutritioni. Protein deficiencyc. Common vitamin/mineral deficiencies i. Iron, Vit A, iodineii. More than 2 Billion people (30%) lack nutrients!iii. WHO 2012: 1 in 3 people are malnourishedII. PEM (Protein-energy malnutrition)a. Kwashiorkor: begins around age 2; no more breast milki. Edema; swelling of torso, water seeping into interstitial fluids; fatty liver swells torsoii. Stunted growth and weak immune systemb. Marasmus: severe lack of calories; extreme stunted growth, weak immune systemi. Can end in fewer brain cells if developed in infancyii. Apathy: too tired to cry, learn, etc.1. Has a permanent affect on adult lifeiii. Essentially starvationIII. Is there a food shortage?a. 2800 kcals per person are availablei. Only counts food that is grown or raised for human consumptionii. Average caloric need is 2100 kcals/dayIV. Costs of hungera. High infant mortality rate (IMR)i. Number of children who die before their 1st birthday, per 1000 birthsb. High child death ratec. Life expectancyd. Decrease in cognitive functioning i. Malnutrition and lack of protein during pregnancy; and especially during first 6 months after birthii. Can cause physical, behavioral, etc. changese. Poor school performance or no attendance at allf. Decreased work outputg. Increase in chronic diseasesh. Anemia and iron deficiencies i. Most common deficiency 1. 36% of people in poor countries are anemic2. 2 Billion people3. Productivity
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