evoluion of western diet chronic disease for cuny copy
TRANSCRIPT
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Evolution of the Western Diet and the Origins of Modern Chronic
Disease
D. Barry Boyd, M.D., M.S.
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Modern Diet and Lifestyle Declining nutrient diversity Altered dietary patterns (Western Diet) Non-whole food diets – “Food like
substances” Supplemental nutrients – 25 $ billion / year Modern agricultural practices leading to altered
growth conditions (nutrient loss) New exposures (POPs, metals)- “EDC”
Microbial food contamination Indoor lifestyle ( inadequate vitamin D)
Fundamental - Nutrition Transition Altered Energy Balance- No “feast or famine”
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Early Man - 200,000 - 12,000 yrs
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Paleolithic Diet (hunter-gatherer/forager)High diet diversity Nuts, seeds, tubers, roots (40+ plants) High meat (game), fish, shellfish (latitudinal) Caloric adequacy / high caloric expenditureNutrient adequacy Moderate to high protein High Complex Carbs Moderate fat ( PUFA [ N6=N3] >> SFA) High K+/Na++ Adequate Ca++ / Vitamin D Abundant micronutrients Disease / Health Tall stature, limited dental disease Low risk – chronic disease (HTN, DM, CHD, Ca)
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Percent of Energy from Different Food Components
Hunter-Gatherers
PeasantAgriculturalists
Modern AffluentSocieties
15-20
50-70
15-20
10-15
60-75
10-15
34+
20
25-30
12
Salt (gr/d) 1 5 - 15 10
Fiber (gr/d) 40 60 - 120 20
Fat
Sugar
Starch
Protein
5
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Fat Content & CompositionDomestic vs Wild Game
20
40
0
20% 21%17% 17%
21%
37%
Antelope Elk Eland Pasture-fedsteer
Grain-fedsteer
Deer
% C
alor
ies f
rom
Fat
from
fat
Saturated Monounsaturated Polyunsaturated
350300
500
250200150100
Fatty
Aci
d Co
nten
t(a
s % o
f Wild
Gam
e)
Wild GamePasture-fed steer
Grain-fed steer
Grain-fed beef has higher saturatedand
lower polyunsaturated fat content
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Cancer In Pre Modern Man Paleopathology (paleo-oncology) - Evidence Skeletal (bone lesions)Mummified remains (limited soft tissue preservation)Capasso, L Antiquity of Cancer Int J Cancer 2005Bone Lesions in skeletal remains- rare
Primary/ Benign Bone Lesions, few Metastases176 cases / >28,000 separate skeletal remains ( <0.1%)
Mummified Remains – rare throughout all pre-modern populations (Egypt, Peru, Chile, Alaska, China)
Cancers- Nasopharyngeal Ca, MyelomaBenign Lesions- Osteoma, OsteomyelitisLimitation - Bone (vs soft tissue remains) Age (early mortality –median age 30 yrs)Cancer was a rare disease throughout
most of human history
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Eskimo / Inuit Diet andDisease
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Trad
ition
al F
ood
Ener
gy%
0
10
20
30
40
50
60
Fish &Fish Roe
Seal &Seal Oil
Game Meat
(caribou)Game(Fowl) Berries Organ
Meat Shellfish OtherAnimal
WildGreens
Contribution of nine food groups to traditional inuit food intake (%energy)
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Inuits and Disease
Low Cardiovascular risk- Htn, ASCVD Low DM / Insulin Resistance Osteoporosis + - Low Fracture Risk Malignancy: Limited Breast, Colorectal, Endometrial, Prostate Different – Nasopharyngeal, Cervical, Liver “High Fat, Protein, Low plant-based carbohydrates” No or limited phytonutrients ! Nutrition Transition - Western Disease (+ rickets!)
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Neolithic – Rise of Agriculture( 12,000 to Industrial Era)
Grain/ cereal- based (wheat, rice, maize)Declining diet diversity Micronutrient deficiencies (Fe, I, Zn) Lower meat intake, increasing dairyPeriodic food shortages – famineRapid population growth, rapid genetic changesDisease /Health Declining stature/height ( ~ 8-10” shorter) Increasing infectious disease/ parasite load
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Early Neolithic sites of the Fertile CrescentNeolithic Origins in the FertileCrescent
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WHEATBARLEY
CORN
RICE
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Animal Domestication8,000 – 9000 yrs
prior
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Nutrition in the Modern Era
Nutrient Deficiency – roleof
inadequate intake in illnessDietary Excess – role in
Non-communicableDisease
Diet &ChronicDisease
Diet &Chronic Disease
Dietary Pattern&
Nutrient Synergy
New Rolesfor Nutrients
in HealthDiscovery of
VitaminsGerm
Theory
Dominance ofInfectious
Disease
<1900 1910 –1940’s
1950’s –1980’s
1990’s –2000’s
RDA’s DRI’s
DietaryGuidelines
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Evolution of Diet, Lifestyle &Health
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Leading Causes of Death (per 100,000) 1900 2000 Cause of Death Rate Cause of Death Rate All Causes 1,719 All Causes 873 Pneumonia 202 CHD 258 Tuberculosis 194 Malignancy 200 Diarrhea 142 CVA 60 CAD 137 COPD 45 CVA 106 MVA 34 Nephritis 88 DM 25 Accidents 72 Pneumonia 24
Malignancy 63 Alzheimers 19
Diptheria 40 Septicemia 11
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Dietary Fatvs
CHDMortality
New York State Journal ofMedicine 2343-2354, 1957.
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Dietary Fat vs. Breast Cancer
JAPAN
US
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McGovern Committee -1977
THE
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Industrialization of FoodUSDA-Food Disappearance
Data
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Increased FBCS correlates with Rising Obesity
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Modern Edible OilProcessing
Fats and Oils: Formulating andProcessing for Applications,
Richard D. O’Brien 1998
28
Industrialization of Food
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Industrialization of Food
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10.6% of calories come from plant-based foods
89.4% of calories are derived from manufactured,
processed foods (refinedgrains,
oils, sugars) and meat anddairy
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“Fiber” and Disease
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Nutritional Reductionism
Wheat
Vitamin E
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Dietary Fiber does not reduce Colonic Polyp Formation??
EPIDEMIOLOGY
NUTRITION
SUPPLEMENTS
SUMMARY
INTRODUCTION
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From Nutrients to Food
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Nutrient Synergy
Specific Nutrient / Single Phytochemical vs Whole Foods vs Dietary Pattern
“Thinking Food First”
Jacobs, D et al Am J Clin Nutr 2009; 89(suppl):1543S-8S
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Endosperm(Protein,
Carbohydrate,Some B-complex
vitamins)BranFiber, B-complex
vitamins,trace minerals and
phytonutrients
GermEssential fatty acids,
Vitamin E, B-complexvitamins
And trace minerals
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Percentage of nutrients remaining afterwhole
wheat flour is refined into white flour*
*
*
added
*
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Percent of People in USA Not EatingAdequate Intakes of Various Nutrients
0204060801000
0
20
20
40
40
60
60
80
80
100
100
RiboflavinNiacinSeFeThiaminPCuFolateZnVitamin B6Vitamin CVitamin AMgVitamin ERiboflavin
Riboflavin
Niacin
Niacin
Se
Se
Fe
Fe
Thiamin
Thiamin
P
P
Cu
Cu
Folate
Folate
Zn
Zn
Vitamin B6
Vitamin B6
Vitamin C
Vitamin C
Vitamin A
Vitamin A
Mg
Mg
Vitamin E
Vitamin E
Inadequate Intakes < EAR (%)
Inadequate Intakes < EAR (%)
Moshfegh et al.,NHANES 2001-2002.
*
**
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Whole Grains- Health BenefitsInversely associated with: All-cause mortality (IWS) Type II Diabetes in men (HPFS) and women (NHS) Coronary artery disease (NHS) Hypertension (HPFS, WHS) Ischemic Stroke (NHS) Colorectal Cancer (NIH-AARP) Periodontal Disease (HPFS) Small Intestinal Cancer (NIH-AARP) Congestive Heart Failure (Texas) Non- Cancer, Non-Cardiac Inflammatory Disease (IWS) Breast Cancer (NHS) Endometrial Cancer (IWS) Weight Gain, Inflammatory Markers (Homocysteine), Adverse Lipid Profile (TC,LDL-C) & IR (FBS, C-peptide)
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“An Apple a day keeps the oncologist away!”Antioxidant and antitumor activity of fresh apples
tota
l ant
ioxi
dant
act
ivity
0.32
Vitam
in C
fro
m A+
SA+
S
A - S
Anti-proliferative Effect ofApples
on Caco-2 colon cancer cells Apple +Skin, Apple – SkinControl
Anti-proliferative Effect ofApples
HepG2 liver cancer cells Apple +Skin, Apple – SkinControl
Antioxidant Effect of Apples
Mean total antioxidant activityExpressed as total oxyradical
Scavaging capacity for Vitamin C/gr, Apple
+Skin,apple - skin
Eberhardt MV, Lee CY and LIU RH Nature 405:22-8,2000
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Glucose
Bread
Lentils
GlycemicIndex
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Sat Fat
Glc Load
Glycemic Load > Saturated Fatin Coronary Heart Disease and Diabetes
Risk
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From Food to Dietary Patterns
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Dietary PatternFrom Nutrient to Food to Lifestyle
Assess dietary patterns in populations vs riskutilize factor analysisMeasures: Healthy Eating Index Western vs Prudent Diet Mediterranean DietCharacteristics: Western – Processed meat, red meat, high fat dairy, eggs, refined grains, processed high calorie dense foods (FBCS), Prudent- High fruit, vegetable, legumes and nuts, whole grains, fish, low fat dairyOutcomes: CV risk and mortality Stroke risk and mortalityCancer risk and mortality *Obesity , Type II Diabetes risk
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Vegetables
Legumes
Fish/Seafood
Whole Grains
Fruit
High Fat Dairy
Refined Grains
Butter
Butter
Processed Meat
Red Meat
Prudent Diet
Western Diet
Dietary Pattern
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Both sexesMenWomenBoth sexes
Both sexes
Men
Men
Women
Women
010203040500
0
10
10
20
20
30
30
40
40
50
50
Prevalence (%)
Prevalence (%)
NHES I (1960-62)NHANES I (1971-74)NHANES II (1976-80)NHANES III (1988-94)NHANES 1999-2000NHES I (1960-62) NHANES I (1971-74) NHANES II (1976-80) NHANES III (1988-94) NHANES 1999-2000
Trends in Obesity* Prevalence (%), By Gender, Adults Aged 20to 74, US, 1960-2000
*defined as a body mass index of 30 kg/m2 or greater
20
15
5
10
0
40
35
30
25
45
Both sexes Men Women
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Growing Epidemic of Type IIDiabetes
in Relation to Obesity
Prevalence(%)
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Relationship Between Weight (BMI) andCardiovascular Disease Mortality
Rel
ativ
e R
isk
of D
eath
Body Mass index
<18.5
Men
Women
Calle et al. N Engl J Med, 1999
18.5–
20.4
20.5–
21.9
22.0–
23.4
23.5–
24.9
25.0–
26.4
26.5–
27.9
28.0–
29.9
30.0–
31.9
32.0–
34.9
35.0–
39.9
>40.0
Lean Overweight Obese
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MetabolicallyNormal
MetabolicallyAbnormal
MetabolicallyAbnormal
MetabolicallyNormal
MetabolicSyndrome
Insulin Resistance
All Cause Mortality - Weight vs. MetabolicStatus
BMI < 25
BMI < 25
BMI 25-29 BMI >30
BMI 25-29 BMI >30
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Summary of Mortality from Cancer According to Body-Mass Index*
U.S. Men in the Cancer Prevention Study II, 1982 through 1998
MEN
*Highest body BMI category
T Y
P E
O
F
C A
N C
E R
R E L A T I V E R I S K O F D E A T H
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Nutrition & Life-course Effects “ You are what your mother ate ! ”
The Prenatal Origins of the Obesity Epidemic and Developmental Programming
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High infant mortality rate (1901-1910) and high death rate from coronary artery disease (1959-78)
The early ‘Barker‘studies
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Evidence of Programming in HumanPopulations
-5.5-6.5-7.5-8.58.5+-5.5
-5.5
-6.5
-6.5
-7.5
-7.5
-8.5
-8.5
8.5+
8.5+
040801201602000
0
40
40
80
80
120
120
160
160
200
200
Birth weight
SBP(mm Hg)
Increasing Adult Systolic BP with Lower BirthWeight
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Low Birthweight/Disproportionate size at Birthassociated with:
Coronary artery disease
Hypertension Glucose intolerance Asthma in childhood Immune dysfunction Chronic renal failure
Dyslipidemia Raised cortisol Raised fibrinogen
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Developmental Origins HypothesisMaternal Undernutrition
Fetal Growth Retardation
“Fetal Programming”For calorie-restricted postnatal environment
(PredictiveAdaptive Response)
Abundant caloricenvironment
Rapid “catch-up” growth inchildhood
Hypertension Obesity / Insulin Resistance /DM Dyslipidemia
Ischemic Heart Disease RenalInsufficiency
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“Trouble At Both Ends of the BW Spectrum”Both low and high birth weight linked to adulthood obesity
and CV disease
1.0
Rel
ativ
e R
isk
Birth Weight
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Can we reverse fetal programming Prenatal folic acid supplementation
Prenatal N-3 Fatty Acid supplementation
Early post-natal Leptin (signal of adiposity)
Limit prenatal undernutrition ( ? overnutrition ) (calories, protein, micronutrients)
? Role in rising obesity epidemic -NutritionTransition
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Barriers to Effective Weight Loss in Obesity
“Why can’t I lose weight? I am exercising more and eating less! “
The Role of Adaptive Thermogenesis
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Adaptive Thermogenesis
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Adaptive Thermogenesis
Weight Gain Increased EE to return to baselineweight
Weight Loss Decreased EE to return to baseline
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Nutrition and Chronic DiseaseModern diet and lifestyle out of sync with our evolutionary legacy (50 yrs vs 150,000 yrs)Focus on nutrient constituents v whole foods: Food Synergy vs Nutritional ReductionismCritical importance of Dietary Pattern and LifestyleImportance of early (“very”) exposures altering later risk
Developmental Programming and role in global problemsof Nutrition Transition
Critical, new problem – Energy imbalance, obesity andhealth consequences and our maladaptation to thischallenge- Adaptive Thermogenesis
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boysgirlsboysgirlsboysgirlsboys
boys
girls
girls
boys
boys
girls
girls
boys
boys
girls
girls
0.04.08.012.016.020.00.0
0.0
4.0
4.0
8.0
8.0
12.0
12.0
16.0
16.0
20.0
20.0
Percentage�
Percentage�
Obesity Trends Among Children in US (ages 6-11)
1971-1974 1988-1994 1999-2000
85thpercentile
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malesfemalesmalesfemalesmalesfemalesmales
males
females
females
males
males
females
females
males
males
females
females
0.04.08.012.016.020.00.0
0.0
4.0
4.0
8.0
8.0
12.0
12.0
16.0
16.0
20.0
20.0
Percentage�
Percentage�
Obesity Trends Among Adolescents in US (ages 12-19)
1971-1974 1988-1994 1999-2000
85thpercentile
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black mex-amerwhiteblack mex-amerwhiteblack
black
mex-amer
mex-amer
white
white
black
black
mex-amer
mex-amer
white
white
0.010.020.030.040.050.00.0
0.0
10.0
10.0
20.0
20.0
30.0
30.0
40.0
40.0
50.0
50.0
Percentage�
Percentage�
Obesity Prevalence among Children and Adolescents in US by Racial/Ethnic Group 1999-2000
Children ages 6-11 Adolescents 12-19
95th
percentile85th
percentile
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USDA “MEDIUM” “LARGE” “SUPER-SIZE”
Serving Sizes
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Salty DessertsSoftFruit French Ham-Cheese-PizzaMexican Salty
Salty
Desserts
Desserts
Soft
Soft
Fruit
Fruit
French
French
Ham-
Ham-
Cheese-
Cheese-
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Mexican
Mexican
0.004.008.0012.0016.0020.0024.0028.000.00
0.00
4.00
4.00
8.00
8.00
12.00
12.00
16.00
16.00
20.00
20.00
24.00
24.00
28.00
28.00
Ounces
Ounces 1977-781989-911994-98Column 4Column 5Column 61977-78 1989-91 1994-98 Column 4 Column 5 Column 6
Portion Sizes for Selected Foods for Individuals Aged 2 and Older, USA 1977-1998
Snacks Drinks Drinks Fries burgers burgers Food
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French FriesHamburgersCheeseburgersPizzaMexican FoodFrench Fries
French Fries
Hamburgers
Hamburgers
Cheeseburgers
Cheeseburgers
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Mexican Food
Mexican Food
0.002.004.006.008.0010.000.00
0.00
2.00
2.00
4.00
4.00
6.00
6.00
8.00
8.00
10.00
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Ounces
Ounces
HomeRestaurantFast FoodColumn 4Column 5Column 6Home Restaurant Fast Food Column 4 Column 5 Column 6
Portion Sizes for Foods Consumed by Location among Persons Aged 2 and Older 1994-98
Nielsen & Popkin (2003): JAMA 289:450
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age 2-5age 6-10age 11-18age 2-18age 2-5
age 2-5
age 6-10
age 6-10
age 11-18
age 11-18
age 2-18
age 2-18
02004006000
0
200
200
400
400
600
600
kcals
kcals1977-781994-96Fast FoodColumn 4Column 5Column 6
1977-78 1994-96 Fast Food Column 4 Column 5 Column 6
Changes in Average Daily Energy Intake from Snacks 1977 to 1996
Jahns, Siega-Riz,&. Popkin, (2001): J Ped138:493
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soft drinksfruit drinksdessertssugar and jelliescandyRTE cerealssoft drinks
soft drinks
fruit drinks
fruit drinks
desserts
desserts
sugar and jellies
sugar and jellies
candy
candy
RTE cereals
RTE cereals
040801201600
0
40
40
80
80
120
120
160
160
Calories/day of dietary intake from added sugar
Calories/day of dietary intake from added sugar1977-781989-911994-961977-78 1989-91 1994-96
Shifts in Food Sources of Caloric Sweetener Consumed by Persons Aged 2 and Older, United States
Source : Popkin and Nielsen (2003) in press
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Physical Activity Patterns and TrendsWalking has declined significantlyActivity at work continues to declineActivity at home production and leisure
declined significantlyAttempts now focus on understanding
patterns and determinants of activity andinactivity
Research to date has ignored work andhome production [cleaning, cooking,etc]
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US average= 73 mins/day of drivingOne-fourth of all trips made are one
mile or less, but three-fourths of theseshort trips are made by car
Children between the ages of 5-15walk/bike 40% less in 1995 than in1977
For school trips one mile or less, only31% are made by walking; within 2miles, only 2% are made by biking.
In the US, 6% of trips are bywalking/biking. In contrast, Italy (54%),Sweden (49%)
Travel
197719831990199519771977
19831983
19901990
19951995
0.02.04.06.08.010.00.0
0.0
2.0
2.0
4.0
4.0
6.0
6.0
8.0
8.0
10.0
10.0
Percent
Percent
197719831990199519771977
19831983
19901990
19951995
0.020.040.060.080.0100.00.0
0.0
20.0
20.0
40.0
40.0
60.0
60.0
80.0
80.0
100.0
100.0
Percent
Percent
Walk and Bike Trips
Automobile Trips
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From the Surface Transportation Policy Project. Based on data from theNationwide Personal Transportation Survey and the Centers for DiseaseControl and Prevention.
Fewer People are Overweight in Places Where People Walk More
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.00 0.05 0.10 0.15 0.20 0.25
Average daily miles traveled on foot
Perc
ent o
f peo
ple
who
are
ove
rwei
ght
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On target! The New American Way
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The Built Environment: Encouraging PhysicalActivity
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The Built Environment: Encouraging Walkability
Dan Burden, Walkable Communities Inc.
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The Built Environment: Encouraging Walkability
Dan Burden, Walkable Communities Inc.
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Can Johnny come out to eat?
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Patterns Of Overweight & Obesity Globally For Nationally Representative Samples (Percentage overweight + Obese)