Desk Top Training: The Role of the DASH Diet. Jennifer Anderson, PhD, RD Department of Food Science and Human Nutrition Cooperative Extension Colorado State University Special Thanks to Stephanie Smith for use of slides from Western Dairy Council. Hypertension Prevalence.
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Jennifer Anderson, PhD, RD
Department of Food Science and Human Nutrition
Colorado State University
Special Thanks to Stephanie Smith for use of slides from Western Dairy Council
JNC VI Risk Stratification and Treatment Recommendations
Target Organ Damage Includes:
Updated Recommendations to Prevent Hypertension
JAMA, Oct 16, 2002
Calcium in the blood:Regulated to maintain
constant blood levels to control critical body functions.
Calcium inside cells: Maintained at
very low levels
Ca entering cells serves as a signal
Low dietary calcium
Blood vessel contraction
Vascular Smooth Muscle Cell
Source: USDA Continuing Survey of Food Intakes by Individuals, 1994-1996.
JAMA, Oct. 16, 2002 and JNC VI, Arch Intern Med. 1997;157:2413-45
JNC VI, Arch Intern Med. 1997;157:2413-45
Dietary Approaches to Stop Hypertension
L.J. Appel et al, N Engl J Med; 366:1117-1124, 1997
Designed to achieve distinct differences in the intakes of:
Fruit and vegetable diet
Effects on Blood Pressure of Reduced Dietary Sodium and the Dietary Approaches to Stop Hypertension (DASH) Diet
Sacks, F.M., et al. New England Journal of Medicine. Jan 4, 2001
Sodium levels:Lower: 1500 mg/day; Intermediate: 2400 mg/day; Higher: 3,300mg/day
Control Diet, N = 204
DASH Diet, N = 208
(Three 30-day periods, random order)
-Appel, et al. Circulation, 102:852, 2000
-Obarzanek, et al, Am J Clin Nutr, 74:80, 2001
Low-fat or fat free dairy 2-3
Meats, poultry, fish less than 2
Nuts, seeds, dry beans and peas 4-5/week
Fats and oils 2-3
Sweets 5/ week
*servings varied from day to day, average intake over a week close to recommended
DASH meets multiple dietary recommendations
The challenge for extension educators is how do we translate these recommendations into daily food and lifestyle choices for our clients.