june 20081 disease / deficiency. bones are living organs calcium is deposited and withdrawn from...
TRANSCRIPT
Bones are living organs
• Calcium is deposited and withdrawn from bones daily.
• Bones continue to deposit more bone than loss until about age 30.
• We need to build up a healthy bone account while young and continue to make deposits with age.
June 2008 4
Osteoporosis
Osteoporosis causes weak bones
Source: The 2004 Surgeon General’s Report on Bone Health and Osteoporosis: What It Means to You at http://www.surgeongeneral.gov/library/bonehealth
NormalBone
Bone withOsteoporosis
June 2008 5
Bone Density Factors Over Time
HEREDITY
ERRORS
STRUCTURAL
EXERCISE/LOADING
CALCIUM INTAKE
AGE0 10 20 30 40 50 60 70
BO
NE M
ASS
IntakeCalciumInadequate
IntakeCalciumAdequate Menopause
Fragility Zone
National Academy of Sciences, Institute of Medicine (1997)
Copyright Robert P. Heaney, M.D., 2003. Used with permission
• After mid-30’s, slowly lose bone mass
• Faster bone loss after menopause
• Bones can weaken early in life without a healthy diet and the right kinds of physical activity.
Source: The 2004 Surgeon General’s Report on Bone Health and Osteoporosis: What It Means to You at http://www.surgeongeneral.gov/library/bonehealth
June 2008 7
Risk Factors for Osteoporosis
Genetics
60% to 80% Gender Ethnicity Age Hormonal status Body frame & weight Medications Disease States
Environmental
20% to 40% Cigarette Smoking Alcohol Caffeine Diet (low calcium intake) Exercise
Four prevention steps …• Enjoy a diet rich in calcium
• Engage in regular weight-bearing exercise.
• Avoid smoking and excessive alcohol.
• Talk to your doctor about bone health.
• Have a bone density test and take medication when appropriate.
Low Bone Mass = Increased Osteoporosis Risk
• Shortfalls contribute to risk for osteoporosis and future hip fractures
• Osteoporosis: A pediatric disease with geriatric consequences
June 2008 10
Lactose Intolerance
Choose Dairy First to Enhance Diet Quality
Try These Tips for Tolerance
rink milk with meals.
ged cheeses like Cheddar and Swiss are naturally low in lactose.
ntroduce dairy slowly. Gradually increase the amount.
educe it. Enjoy lactose-free milk and milk products.
ogurt with live active cultures helps to digest lactose.
Hypertension Facts & Figures
• 50 million Americans with hypertension
• 1 in 4 adults• One-third unaware• Increased risk for heart
disease, stroke, cardiac/kidney failure
• $32 billion in healthcare costs
June 2008 13
Public Health Priority
Healthy People 2010 Goal:
blood pressure from 28% to 16% of adults.
- US Department of Health and Human Services
June 2008 14
Lifestyle Changes to Control/Prevent High Blood Pressure
• Lose weight• Increase physical activity• Limit alcohol• Stop smoking• Reduce sodium, saturated fat, cholesterol• Consume adequate calcium, potassium,
magnesium - 6th Report of the Joint National Committee on
Prevention, Detection, Evaluation, and Treatment of High Blood Pressure
The DASH Trial
• N = 459 adults – 49% women– 60% African Americans
• Systolic < 160 mm Hg
• Diastolic 80 – 95 mm Hg
- Appel, et al., N Engl J Med, 336:1117, 1997
June 2008 17
DASH Diet Benefits
• Quick and lasting results
• Results rival medications
• Potential to reduce disease risk and healthcare costs
Who DASH Diet Benefits Most
• Hypertensives: 11.4/5.5 mm Hg
• African Americans: Systolic 6.8 mm Hg vs. 3.0 mm Hg in whites
June 2008 20
The DASH-Sodium Trial
• N = 412 adults – 57% women– 57% African Americans
• Control Diet vs. DASH Diet• Sodium level (30 days each)
– High (3,300 mg)– Medium (2,400 mg) – Low (1,500 mg)
- Sacks, et al., N Engl J Med, 344:3, 2001
June 2008 23
Milk’s Mineral Mix Also Reduces Stroke Risk
• Calcium, potassium, magnesium in Milk Group foods reduce risk factors for stroke.
• All three minerals work in concert.
• Naturally found in milk, yogurt, cheese.
- Massey, J Nutr, 131:1875, 2001
June 2008 25
DASH Reduces Cholesterol
Subjects following DASH diet:
Total cholesterol 13.7 mg/dL
LDL cholesterol 10.7 mg/dL
HDL cholesterol 3.7 mg/dL
Obarzanek, et al Am J Clin Nutr, 74:80, 2001
Health Professional Groups Advocate DASH
• 6th Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure
- National Heart, Lung and Blood Institute
American Heart Association 2000 Dietary Guidelines
2-4 servings lowfat dairy foods; 5-9 servings fruits/vegetables recommended
Calcium, potassium, magnesium from foods such as milk, yogurt, cheese
• Krauss, et al, Circulation, vol. 102:2284, 2000