2. Obesity in America
•
Approximately 66% (or two thirds) of U.S. adults are overweight or obese.
•
Healthy People 2010: reduce the prevalence of obesity among adults to less than
15%.
•
The obesity rate increased from the late 1970’s to 2003 from 15 to nearly 33
percent.
3. Obesity in America
•
Body mass index (BMI) weight (kg)/ height squared (m2).
•
BMI is significantly correlated with total body fat content.
4. Obesity in America
•
Being overweight/obese substantially raises one’s risk of morbidity from:
• Hypertension
• Dyslipidemia
• Type 2 Diabetes
• Coronary Heart Disease
• Stroke
• Gallbladder Disease
• Osteoarthritis
• Sleep apnea
•
5. Obesity in America
•
Obesity is also associated with:
• High blood cholesterol
• Complications of pregnancy
• Menstrual irregularities
• Hirsutism (presence of excess body and facial hair)
• Stress incontinence (urine leakage caused by weak pelvic-floor muscles)
• Psychological disorders such as depression
• Increased surgical risk
6. Obesity in America
•
What Causes Obesity?
•
Energy imbalance over a long period of time.
•
Energy in > Energy out.
•
Excess calories and lack of physical activity.
7. Obesity in America
•
Weight Loss Programs:
•
Healthy eating plans that reduces caloric intake
•
Regular physical activity and/or exercise instruction
•
Tips on healthy behavior
•
Slow and steady weight loss of about ¾ to 2 pounds a week
•
Medical care if needed
•
A plan to keep the weight off after you have lost it
8. Obesity in America
•
Physical inactivity contributes to premature deaths.
•
Rates differ by race and ethnicity:
• Hispanic women - most inactive
• Hon-Hispanic women – second
• Asian and Pacific islander women – third
• White non-Hispanic women - fourth
10. Obesity in America
•
How Much Physical Activity a Day?
• To reduce the riskof chronic diseases in adulthood:
Engage in at least 30 minutes of moderate-intensity physical
activity, above usual activity, at work or home on most days
of the week.
• To help manage weight and prevent gradual, unhealthy weight gain in
adulthood:
• Engage in approximately 60 minutes of moderate- to vigorous-intensity
activity on most days of the week while not exceeding caloric
intake requirements.
12. Obesity in America
•
Dietary Guidelines for Americans, 2005:
•
Food Groups to Encourage
• Consume a sufficient amount of fruits and vegetables while staying within energy needs.
• Choose a variety of fruits and vegetables each day. Select from all five vegetable subgroups (dark
green, orange, legumes, starchy vegetables, and other vegetables) several times a week.
• Consume 3 or more ounce-equivalents of whole-grain products per day, with the rest of the
recommended grains coming from enriched or whole-grain products. At least half the grains should
come from whole grains.
• Consume 3 cups per day of fat-free or low-fat milk or equivalent milk products.
13. Obesity in America
•
References:
•
Centers for Disease Control and Prevention. September 30, 2015.
Accessed December 7, 2015.
•
"Key Recommendations for the General Population, Dietary
Guidelines for Americans 2005." Key Recommendations for the
General Population, Dietary Guidelines for Americans 2005.
Accessed December 7, 2015.
