Running head: Childhood Obesity 1 Childhood Obesity: Turning a ...
CHILDHOOD OBESITY TO SNAP
Transcript of CHILDHOOD OBESITY TO SNAP
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CHILDHOOD OBESITY TO
SNAP Opportunities and Challenges in
Nutrition Research
Robert M. Russell, M.D.
December 4, 2013
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www.nutrition.org An independent source for the science of
nutrition
Determined nutrition research priority areas where findings will have strong impact on the
prevention and treatment of major chronic diseases.
2
American Society for Nutrition
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Nutrition Research Priorities -
Rationale
To highlight areas of nutrition that urgently need future research
To advance the health and wellbeing of future global populations and economies
Relay the need and value of nutrition research
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Why nutrition research matters…
•Saves lives
•Backbone of nutrition-related policy
•Healthcare savings, jobs, & revenue
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Variability in Response to Diet & Food 1
Personalized Nutrition
Provides customized dietary
recommendations for each individual’s needs.
Omics
Microbiome
Imprinting
Biological Networks
Tissue Specificity & Temporality
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Variability in Response
TT CC
CT
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Nutrition Research on
Microbiome
• Altering the microbiome to increase its’cancer-fighting effects
• The effects of a whole grain diet on digestive health, inflammation and the immune system
• Vitamin K generated by microflora in the colon
• The interaction of gut microbiota in relation to metabolic processes elsewhere (e.g. brain)
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Epigenetics & Imprinting
Childhood obesity
Reproductive health
Healthy Growth, Development, & Reproduction 2
Understanding how nutrition during critical,
early periods of development, including
pregnancy, impacts future health.
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Maternal Obesity Promotes Obese
Children
• Maternal obesity during pregnancy promotes
obesity in offspring independent of genetics
– Demonstrated by human and animal models
• To break this transgenerational cycle, we
need to understand how it works
60% of U.S. women of childbearing age are overweight or obese
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Obesity Denies Benefits of
Breastfeeding
• Obese women may have higher body stores
of progesterone, a fat-soluble hormone
which inhibits milk production
• Use of mouse models to determine how
hormones inhibit milk production and how to
prevent this
Nearly half of all overweight and obese women who desire to breastfeed FAIL
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Proper nutrition
Systems approach
Physical activity
Energy balance
Health Maintenance 3 Improving health through non-communicable
disease prevention and weight maintenance.
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Systems Approach “Shape Up Somerville, Mass.”
• Multifaceted community-based environmental change campaign
• Effectively reduced weight gain in high-risk children
• Increased the community’s physical activity and healthful eating
• Fit For Life: reduces age‐associated chronic disease
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Disease initiation/ progression
Minimize unfavorable impacts of both and nutrients
Nutrition support for survival
Response to therapy
Medical Management 4 Slowing disease progression through nutrition
with improved responses to therapy and survival rates.
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Nutrient – Disease Relationships
Folate - Depression
Vitamin C/ Antioxidants – Eye Disease
Vitamin D/ Calcium - Osteoporosis
Fish Oils/ B Vitamins – Brain Function
Fiber – Type 2 Diabetes
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Minimize Unfavorable Impacts of
Increased Nutrients
• Folate Overdosing: ↑ dementias in those with
low B12 1, 2
• Vitamin E Overdosing: ↑ prostate cancer risk,
mortality 3, 4
• Multivitamin Overdosing: Antioxidants ↑ risk
of all cause mortality 5; ↑ risk of advanced
and fatal prostate cancer 6
1) Morris et al; Archives Neurology, 2005; 2) Institute of Medicine, 1998; 3) Klein et
al; JAMA, 2011; 4) Miller et al; Ann Intern Med, 2005; 5) Bjelakovic et al; JAMA,
2007; 6) Lawson et al; JNCI, 2007
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Negative effects of high folic acid
• Folate at 10X the recommended amount for
pregnant women resulted in fetal loss,
embryonic delays and heart defects in mice
offspring
• Critical to determine if similar risk exists for
pregnant women
Neural tube defects affect 1,500 U.S. births each year
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Growth and Development of Pre-
Term Infants
• Pre-term infants who are unable to feed normally are commonly fed by orogastric tube.
• It is not known if nutrition provided intermittently (similar to meal feedings) or continuously (similar to in the womb) is best for their overall health.
10% of U.S. infants are born prematurely
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Nutrition-related Behaviors 5
Drivers of food choice
Brain function
Understanding how the human brain
influences food choice and nutrition-
related behaviors.
Imprinting
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How the food environment influences food choice and behavior
Novel foods and ingredients - biotechnology and nanotechnology
Nutrient-related public policies
Public-private partnerships
Food Supply & Environment 6
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Nanotechnology
New prevention and therapies
Increased nutrition and bioavailability of nanoscale food ingredients
Biosensor to monitor blood glucose w/out finger prick
Nanoscale particles block cholesterol from entering the cell
Srinivas P, et al. Nanotechnology Research: Applications in Nutritional Sciences. J Nutr. 2010;140(1):119-24.
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Research on the Horizon: 2015
The effects of maternal eating patterns on maternal feeding and child eating
Does the gut microbiome change with age?
Nutrition of school lunch vs. packed lunch
Health differences between breast-fed and formula-fed infants
Decision-making ability and weight control
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Questions?
Read the report today! www.nutrition.org/researchagenda