In today’s busy world, everyone is trying to remain fit. “Age fitness’ is the new buzzword. To be fit as we age could be described as Age fitness. People as compared to the previous are now more concerned about health, opportunities for greater wellness and trying to avoid the burden of disease in later life.
The main objective of “age fitness” is social, mental, physiological and physical.
The variances in health and survival are guided by scores of food intake and their validation. It is obvious that food cultures are associated with successful ageing.
WHO has developed a healthy life expectancy indicator, Disability Adjusted Life Expectancy (DALE), which estimates the number of years to be lived in 'full health.’ The factors that influence disease, disability and longevity include the rate of decline in physiological function which, in turn, appears to be associated with social, mental and physical activities and with food habits.
It is found that the overall predictors of survival include genetic background, environmental factors [such as work, pollution, pesticides, housing, social upheaval and war] and personal behaviour.
Personal behaviour is the area that is most modifiable and includes lifestyle factors that cover eating habits, physical activity and substance abuse.
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Age-fitness defined
Age-fitness includes all areas of fitness; social, mental, physiological and physical.
Social Fitness
- Ability to make and maintain satisfying social contacts and networks.
Mental fitness
- Refers to the way we think and feel our capacity for learning and the absence of illnesses like dementia, depression and anxiety.
Physical fitness
- Ability to have sufficient strength, endurance, range of movement and balance to avoid frailty.
Physiological states
- Essential for successful ageing include the renal and immune system, the special senses such as sight and hearing and, the metabolic system, for example, insulin sensitivity.
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The scope of age-fitness
Many studies that examine mental fitness and health usually look at the other parameters of age- fitness on mental health. Social isolation for instance is likely to have an adverse effect on mental fitness and physical activity seems to reduce the risk of depression, a major mental health problem.
Regular brisk walking has been shown to improve cognition. Maintaining and/or improving strength and muscle mass to reduce the risk of frailty can be achieved through strength fitness.
Several prospective studies on older adults have found that those who are the least socially active are more likely to die prematurely compared with those who are the most socially active.
It has been observed that cardio-respiratory fitness, an important indicator of longevity, appears to be more important than obesity in terms of survival.
Food Cultures
Studies have shown that comparable health in old age can be achieved in different cultural settings with widely differing food habits.
Nutrition Fitness
Food intake promises to be, not surprisingly, one of the best measures of nutrition and fitness. Together with body composition and various performance measures such as strength and endurance, it represents the inputs, outputs and the sum of energy and food component through put and status or balance in human biology.
Biomarkers of food intake offer ways in which its validity can be increased, and its perturbations recognised. The studies have concentrated on food intake and food intake patterns as differentiators and common denominators in health susceptibility and for survival within and between cultures [people of different ethnicity living in different localities].
The overall higher intakes of legumes, fish, shellfish, and olive oil are significant predictors of survival in later life.
The relative importance of different forms of fitness
Social sciences are increasingly arguing that health and survival are principally dependent on social and societal factors provided there is enough food to eat.
The age fitness is an important aspect, and we cannot ignore its main objective i.e. social, mental, physiological and physical.
In general terms, fitness age is an estimate of how to fit
you are compared to your actual age.
It
is true that as you age you lose muscle strength, bone density, and your body
composition shifts from muscle to fat. However, research shows exercise
training at any age with proper food intake results in positive gains in muscle
mass, muscle strength, bone density, and improvements to overall health –
even in people as old as 90.
Conclusion
- Genetic, environmental and behavioural factors not only act as primary predictors of survival but also influence intermediate outcomes which are themselves predictors of survival.
- Behavioural and biologically related survival predictors include all areas of fitness; social, mental, physiological, physical and nutritional.
- There is an interaction between each of these areas and, each is important in its own right.
- Intermediate outcomes can determine the ultimate outcomes of wellness, the burden of disease and survival.