Often we take our health, or the absence of illness, disease, or injury
for granted until we become sick. It is then that we recognize the worth of
being without ailments. It is then that we appreciate feeling strong, robust
and healthy. Being healthy and, being physically and mentally sound, is
associated with one\'s satisfaction with life. Developmental health
psychologists - specialists who study the interaction of age, behavior, and
health and gerontologists - specialists in the science of aging -- are piecing
together the details of diet, exercise, personality and behavior that make it
practical to shoot for 80, or even 120. People approaching middle age can
expect a bonus of several years of extra living thanks to continuing medical
progress against cancer, heart disease and stroke.
Specialists in the field of aging, developmental health psychologists,
and gerontologist , concentrate their area of study on determining health
status over the course of adulthood, and determining the nature and origin of
age-related diseases. They are also concerned with describing the effects of
health on behavior and describing the effects of behavior on health. The goals
of these specialists are: prevention of diseases, preservation of health,
and improved quality of health for those suffering from disability and disease.
What does it mean to be healthy? Health is a state of complete physical
, mental, and social well-being and not merely the absence of disease, illness
or infirmity. It is important to distinguish between disease and health.
Disease is the prognosis of a particular disorder with a specific cause and
characteristic symptoms. On the other hand, illness is the existence of disease
and, the individual\'s perception of and response to the disease.
Whether in sickness or in health age and the progression through life
play a large part in our health and our developmental status. The role of age
in regard to health is listed below:

- Most young adults are in good health and experience few limitations or
disabilities. Nearly 71% of adults older than 65 living in a community report
their health as excellent, good, or very good. - Health and mobility decline
with age especially after age 80. Disease is more common among older adults. -
Most of the diseases of later life have their origin years earlier. - Income is
related to perception of health. - The older the individual, the more difficult
it is to recover from stress. - As an individual age, acute conditions decrease
in frequency while chronic conditions increase in frequency. 4/5 of adults over
65 have at least one chronic condition. - Older adults may have multiple
disorders and sensory deficits that may interact. Treatments may also interact.
- In contrast to younger age groups, the elderly are likely to suffer from
physical health problems that are multiple, chronic, and treatable but not
curable. Acute illness may be superimposed on these conditions.

Although there are factors that affect our health and the aging process
that are not in our control , In a World Health article , K. Warner Schaie(1989),
research director of the Andrus Gerontology Center at the University of Southern
California, cites three reasons for optimism about future old age: The control
of childhood disease, better education, and the fitness revolution.(p.2)
The control of childhood disease often eliminates problems that occur
later in life as a result of these diseases. Instead of going away, the minor
assaults suffered by the body from disease, abuse and neglect can have "sleeper"
effects. For example Chicken pox in a child can lead much later in life to the
itching diseases known as shingles. Vaccines and other medicine have eliminated
many of the childhood diseases. Schaie predicts that people who will become
old 30 or 40 years from now will not have childhood diseases. Most people who
are now old have had them all.
Better education is also a reason for prolonged and healthier lives.
Where a grade school education was typical for the older generation, more than
half of all Americans now 30 or 40 years old have completed at least high school,
and studies show that people with more education live longer. They get better
jobs, suffer less economical stress, and tend to be more engaged with life and
more receptive to new ideas.
Finally, the fitness revolution has changed our habits with respect to
diet and exercise and self-care. An article in Generations, Joyce Carrol
Oates (1993) states, " per capita consumption of tobacco has dropped twenty-six
percent over the past 15 years, and the drop is accelerating, promising a
decrease in lung cancer. " Life-style changes and improved treatment of
hypertension have already produced a dramatic national