Download Unhealthy Diet (Low fruit and vegetable consumption) as a risk

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Unhealthy diet as a risk factor for chronic disease
Introduction
The questions in this module measure:
 Fruit and vegetable consumption
 Type of oil or fat used for cooking
Research
findings
Some research findings related to unhealthy diet are as follows:
 Overall, 2.7 million lives could potentially be saved each year worldwide if
fruit and vegetable consumption were increased.1
 26.7 million (1.8%) DALYs worldwide are attributable to low fruit and
vegetable intake.2
 Of the burden attributable to low fruit and vegetable intake, about 85% was
from cardiovascular diseases and 15% from cancers.2
 Low intake of fruits and vegetables is estimated to cause about 19% of
gastrointestinal cancer, 31% of ischemic heart disease and 11% of stroke
worldwide.2
 The consumption of at least 400g of fruit and vegetables per day is
recommended as a population intake goal, to prevent diet-related chronic
diseases .3
 Adequate consumption of fruit and vegetables reduces the risk for cardio
vascular diseases3, stomach cancer4 and colorectal cancer.3
 There is convincing evidence that high intake of high-energy foods such as
processed foods high in fats and sugars promote obesity compared to lowenergy foods such as fruits and vegetables.3
 Higher unsaturated fatty acids from vegetable sources and polyunsaturated fatty
acids have been associated with a reduced risk of type 2 diabetes.5,6
Replacement of saturated and trans fatty acids by polyunsaturated vegetable
oils lower coronary heart disease risk.7
 Partial hydrogenation to increase the shelf life of poly unsaturated fatty acids
creates trans fatty acids.3 Trans fatty acids increase the risk of coronary heart
disease and render the plasma lipid profile even more atherogenic than
saturated fatty acids by elevating LDL cholesterol and decreasing HDL
cholesterol.8
Reference
1. Preventing Chronic Diseases: A vital investment. Geneva, World Health
Organization, 2005.
2. The World Health Report 2002: Reducing risks, promoting healthy life.
Geneva, World Health Organization, 2002.
3. Diet, Nutrition and the Prevention of Chronic Diseases. Report of a joint
WHO/FAO expert consultation. Geneva, World Health Organization,
2003.
4. Palli D. Epidemiology of gastric cancer: an evaluation of available
evidence. Journal of Gastroenterology, Vol 35(suppl 12), 2000:S84-S89.
5. Salmeron J et al. Dietary fat intake and risk of type 2 diabetes in women.
American Journal of Clinical Nutrition, Vol73, 2001:1019-1026.
6. Meyer K A et al. Dietary fat and incidence of type 2 diabetes in older
Iowa women. Diabetes Care, Vol 24, 2001:1528-1535.
7. Hu F B et al. Dietary fat intake and the risk of coronary heart disease in
women. New England Journal of Women, Vol 37, 1997:1491-1499.
8. Katan M B. Trans fatty acids and plasma lipoproteins. Nutrition Reviews,
Vol 58, 2000:188-191.