the study of gerontologia

1. The Study of
Gerontology
The
 The field of gerontology includes the biologic,
physiologic, sociologic, and behavioral
aspects of the aging process as they play
out in each individual
 Geriatrics: refers to the disease and medical
condition common to older people

2. Influences on Food Intake
of Older Adults
Physical Changes
 Decayed teeth, tooth loss, or poorly fitting
dentures all make chewing and eating both painful
and difficult
 Losses in taste, smell, or sight reduce the
enjoyment of eating and lower appetite

3. Biologic Changes in Aging
Nature of Biologic Changes
By the age of 70:
 The kidneys will have lost about 28% of their
 The liver will have lost approximately 25% of
Weight
 Skeletal muscle will have decreased by almost half as compared
to a young adult
Individuality of the Aging Process
 Lifestyle choices, disease history, and exposure to environmental
hazards or pollution act on genes to determine the rate and
severity of aging changes

4. Clinical Applications – Cont’d
Medical Nutrition Therapy – cont’d
 Older persons with diabetes can often be well
managed on a regular diet if high-sugar items are
restricted
 A regular diet—well-balanced nutritionally—that
offers a wide variety of foods with moderation in
fats and sweets has the best outcomes

5. Community Resources
for the Aging
Food Assistance Programs for older Americans
 Food stamps
 Commodities distribution program
 Elderly Nutrition Program: national program the
greatest impact on the nutritional status older
adults

6. Professional Organizations
and Resources
National Council on the Aging
• Nonprofit organization that promotes research,
training, technical assistance, advocacy and public
policy, program standards, and publications relating
to all aspects of aging.
Community Groups
• Medical societies, nursing organizations, dietetic
associations
• Sponsor classes and programs to help meet the
needs of older adults in their communities.