Chapter 2: Healthy Diets Flashcards
1
Q
How is life expectancy affected by certain types of physical activity?
A
- Endurance has shown to increase life expectancy
- Strength training athletes have a life expectancy similar to that of the general population possibly because the extra muscle especially when put on fast puts strain on the heart
2
Q
What is the best approach to increased longevity?
A
Combine regular exercise (endurance and strength) with a healthy diet
- high levels of physical activity cannot fully counteract the negative effects of a bad diet on mortality risk
3
Q
What is a food desert?
A
No supermarket store within a mile, it correlates with diabetes
4
Q
What is a healthy diet?
A
- includes a variety of foods
- balanced across food groups and macronutrients
- adequate amounts of essential nutrients
- moderation and not overindulging
5
Q
What are common characteristics of a healthy diet?
A
- eat more plant foods: vegetables, fruits, whole grains, & beans
- Variety of lean protein foods
- Less sugar and salt
- Healthy fats & moderate total fat
- Control portion sizes
- Be physically active -
6
Q
What are nutrient-dense verses energy-dense foods?
A
- N: provide healthy nutrients in appreciable amounts relative to calories
- E: calories and low amounts of nutrients
7
Q
What are dietary guidelines?
A
- Updated and issued guidelines every five years by USDA and HHS
- Advice: eat & drink to meet nutrient needs, promote health, & prevent disease
8
Q
What are the current dietary guidelines?
A
- Current: 2020-2025 provide guidance by stage of life
1) Healthy dietary pattern at every life stage
2) Customize & enjoy nutrient-dense food & beverage choices to reflect personal preferences, cultural traditions, & budgetary considerations
3) Meet food group needs w/ nutrient-dense foods & beverages & stay within calorie limits
4) Limit foods & beverages higher in added sugars, sat fat, & Na, & limit alcohol
