nutrition from childhood through adulthood biol 103, chapter 13-2
TRANSCRIPT
Nutrition From Childhood through Adulthood
BIOL 103, Chapter 13-2
Today’s Topics
• Adolescence (Part 2)• Adult/Mature Adult
Nutrition-Related Concerns for Adolescents
1. Fitness and Sports– Can provide __________ for learning about nutrition
and improve daily habits2. Acne– Investigating the connections between diets and acne• Examples:
3. Eating disorders– Becomes preoccupied with weight, appearance, and
eating habits.– Not just a ____________________
Nutrition-Related Concerns for Adolescents
4. Obesity– Risk factors:• Physical: – Developing high blood pressure– Abnormal blood glucose tolerance and type 2
diabetes– _________________________________________________________________________________
• Psychological:– ______________________________
Nutrition-Related Concerns for Adolescents
5. Tobacco, alcohol, recreational drug– Period of experimentation– Alcohol and drug use may _______________
adequate food intake– Teens who use drugs are usually underweight
and report __________________• Marijuana ___________________• Tobacco ____________________• Alcohol _____________________
Staying Young While Growing Older
• Age-related changes– Weight and body composition• Add _________; lose _________________• Overweight/obese ____________________• Underweight ______________________________
– Physical activity• Loss of lean body mass reduced muscle and skeletal
strength• Regular physical activities reduces _______________
and improves __________________
Staying Young While Growing Older
• Age-related concerns (cont.):– Immunity• Decline in _______________ mechanisms around 40-
50 yrs old– Examples:
• Increased risk for urinary tract infections, upper respiratory illness (pneumonia, influenza)
– Taste and smell• Decline in sensitivity thus, increases intake foods
_________________________________• Better to serve foods with stronger flavors and odors
over bland food.
Staying Young While Growing Older
• Age-related concerns (cont.):– Gastrointestinal changes
1. Reduced ________ production _____________ and food is not well prepared for digestion
2. Reduced acid secretion (HCl and pepsin) ______ efficient food digestion and allow the devlopment of ____________ interfere with _____ absorption
3. ____________ GI motility constipation, bloating, sense of fullness
Nutrient Needs of the Mature Adult
• Energy– Reduced calorie needs• Decreased lean body mass
– Physical activity increases _________ requirements while also helping to _________ some loss in lean mass.
• Protein– ________ needs per kg body weight as younger
adults
Nutrient Needs of the Mature Adult
• Carbohydrate– 45-65% of calories in diet (high-carb)– Fiber prevents constipation and diverticulosis,
reduce risk for _____________, promote healthy body weight
• Fat– Maintain a moderate _______________
• Water– ____________ thirst response dehydration– Fluid recommendations are ______ as younger adults
Nutrient Needs of the Mature Adult
• Vitamins of concern– Vitamin D
• Needed for bone health, calcium balance if not, osteoporosis
• ________________ reduced skin synthesis and activation of vitamin D
• _______________ needs compared to younger adults– B vitamins
• Reduced ability to absorb ___________• ____________________ may help reduce heart disease risk• Should consume B12 fortified foods and supplements
Nutrient Needs for Mature Adults
• Antioxidants– Found in fruits and vegetables– Important to _______ oxidative stress and
________________ such as cataracts, Alzheimer, and macular degeneration.–May protect against damage to the ______
Nutrient Needs of the Mature Adult
• Minerals of concern– ______________: Bone health• Reasons:
– Many elders may be __________________– _____________ ability to absorb calcium (less vitamin D
receptors in the gut)
– _____________: Immunity and wound healing• _________________ deficiencies likely• Avoid excess supplementation (mineral competition,
interferes with immune system)– ______________• Elders may have limited intake
Figure 13.16 Micronutrients of particular concern for older people
As we age, our energy needs decline, but our vitamin and mineral needs ________________This makes _____________ foods especially important for older adults.
Nutrition-Related Concerns of Mature Adults
1. Drug-drug and drug-nutrient interactions– Can affect use of ____________________– Herbal supplements, vitamins and minerals
supplementation in high doses should be viewed as drugs
– Possible interactions should be identified and avoided2. Depression– Common among institutionalized and low-income
seniors– May reduce ________________– _______________ can interfere with nutrient usage
Nutrition-Related Concerns of Mature Adults
3. Anorexia of aging– Loss of appetite with __________– Can lead to __________________ malnutrition
4. Arthritis (pain and swelling in joints)– May interfere with _____________ and ________– _________________ may interfere with nutrient
absorption– ___________________ and dietary changes may
improve symptoms
Nutrition-Related Concerns of Mature Adults
5. Bowel and bladder regulation– Increased risk of ______________________– Chronic _____________ more common with age• Need for increased ____________________________
6. Dental health– Tooth loss, difficulty swallowing, and mouth pain
may interfere with ____________________ or _________________
Nutrition-Related Concerns of Mature Adults
7. Vision Problems– Can affect ability to shop and cook– __________ may reduce ___________________• Anti-oxidants in green leafy vegetables can help
prevent free radical damage and may protect the eye
8. Osteoporosis– Common in elders, especially _______________– Maintain calcium, vitamin D, and ____________
Nutrition-Related Concerns of Mature Adults
9. Alzheimer’s disease – accumulation of plaques in certain regions of the brain and degeneration of a certain class of neurons– Affects _______________ to obtain, prepare, and
consume an optimal diet.– Reduced ______________________– Risk for weight loss and malnutrition
Meal Management for Mature Adults
• Managing independence• Finding community resources– Service for elders• ________________________________• ________________________________• ________________________________