9 11 13 Kin 110 lecture notes Announcements o Kin club a week from today o Barry won t be here on Friday o We are doing a video slides can view wherever Diet o Habitual pattern of eating o Doesn t have to do with weight loss o Many ways people try to get you to change your diet Weight loss Diet actually refers to what you eat over a course of days weeks months o Mixed diet Eat almost anything Clearly not spoiled and rotten o Vegan no butter no milk nothing from animal o No carb Popular for several years Not good Habitual pattern of eating o Doesn t mean you have to eat the same thing everyday o Average days you eat well days you eat poorly o OCD Body builders same thing o Mypyramid gov New pyramid has vertical bars each corresponds to a different food group Has a person going up the stairs exercise is important in health Old pyramid horizontally stacked Newest pyramid Plate with fruits grains vegetables protein dairy Dairy farmers don t like it its not on the plate Choosemyplate gov Lots of politics in these visuals o Dairy counsel o Push for people who produce beef milk etc not necessarily about health o Thesnackneutralizer com Overeat hardly eat eat nothing but oreos feel guilty and eat nothing but veggies How many days to get an accurate picture of habitual diet o 7 days consecutive 30 days 6 months o non consecutive o it would take a while weekends vs weekdays seasonal eating eating while at school finals week Registered dieticians collect between 3 7 days two weekdays and a weekend day o Why 3 days o Need to record every single thing they ate o Break down jambalaya Mealsnap com o Take picture of what you are going to eat Colleting diet info is an inexact science WHY o People change behavior o People always report less than what they actually ate o Some over report people with anorexia o Many people believe data are fundamentally flawed Better way of doing this Accurate assessment of diet is critical because diet athletic performance and health Is high intake of fat related to risk for getting heart disease o 1 Identify who gets heart disease o 2 Accurately assessment fat intake o 3 Compare fat intake to rate of heart disease number of people who get heart disease increases as amount of fat in diet increases o more fat greater risk of heart disease o disclosure graph is made up Say we can accurately measure rate of heart disease and fat in people s diet o Are other factors not being considered gender age ethnicity other risky behavior drugs smoking o consider all the other factors Epigenetics In utero what your mother did when she was pregnant with you change epigenetics change risk of different diseases Does a positive relationship beween two things prove that one causes the other o Correlation is not always causation Distance from the earth to Saturn perfect correlation to the price of gasoline o No relationship o Stress causes heart disease Not the fat Difficult to design studies to get definitive data o Sharper picture of diet and health by creating an experiment Healthy group of people change the fat in their diet o Some 10 20 30 Look at who gets heart disease Whats the problem with this Unethical We don t know if eating more or less fat causes heart disease so we don t know if that s going to happen No one wants to dedicate their whole life to this study o Provide all food and control that affect risk for disease Exercise tv work etc o Cost a lot of money take forever almost impossible to do How do you design a study that answers an important question takes a reasonable about of time and cost a reasonable amount of money o Test animals Problem not completely accurate rats aren t people
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