HGH Aging Process
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HGH Aging Process
As we age, our organs change in many ways that affect the functions of both single cells and the whole body. These changes happen little by little and progress inevitably over the years. However, the rhythm of this progression can be very different from one person to another. Aging research is beginning to encounter the reasons for these changes, the genetic and environmental factors that controls it.
- Genetic and Environmental Factors.
- Healthy Lifestyle Behaviors.
- Cellular Changes Associated with Aging.
- Bodily Changes Associated with Aging.
- Changes in Height.
- Changes in Weight.
- Changes in Body Composition.
- Other Changes with Aging.
- Normal Aging & Disease.
- Changes in the Regulation of Body Systems.
Genetic and Environmental Factors.
Aging depends opon a mix of both genetic & environmental factors. Recognizing that every person has his own unique genetic environment, helps us acknowledge why aging may happen at such different rates in different humans. Overall, genetic factors seem to be more influential than environmental factors in determining the big differences between people in aging and lifespan. There are some strange genetic disorders that accelerate the aging process, like Hutchinson-Gilford, Werner’s, & Down syndromes. Anyways, many environmental conditions, such as the quality of health care that you receive, have a substantial effect on aging. A healthy lifestyle is a really important factor in healthy aging & longevity. These environmental conditions can significantly extend your lifespan.
Behaviors of a Healthy Lifestyle.
- Not smoking.
- Drinking alcohol in moderation.
- Getting adequate rest.
- Eating a diet high in fruits & vegetables.
- Coping with stress.
- Having a positive outlook.
Cellular Changes Associated with the Aging Process.
Aging causes functional changes in body cells. As an example, the rhythm at which body cells multiply go slower as we age. T-cell lymphocytes are important for our immune system to work properly, but they also decrease with the years. Furthermore, age changes our responses to environmental stress or exposure, like heat, ultraviolet light, low oxygen levels, poor nutrition, & toxins (poisons) between others.
Age also affects with an important process called apoptosis, which tells cells to self-eliminate or die at appropriate times. This process is necessary for tissues to stay healthy, & it’s especially important in slowing down immune responses once an infection has been healed.
Different diseases that are common in older people can affect this process in different ways. For example, some cancers are a loss of apoptosis. The cancer cells continue to multiply themselves & start invading or taking over surrounding tissues, instead of dying as originally programmed. Other illnesses may cause cells to die too early. In the Alzheimer’s disease, amyloid builds up & causes an early death of brain cells, which results in a progressive loss of memory & other important brain functions. Toxins produced as by-products of nerve cell transmissions are involved in the elimination of nerve cells in Parkinson’s illness.
Bodily Changes Associated with Aging.
Our bodies normally change in appearance as we age.
Changes in Height.
We lose some height as we age, although when the height loss begins & how quickly it advances vary quite a bit among different people. Usually, our height increases until our late 40s & then decreases about two inches by reaching the 80s. The reasons for height loss are among the following:
- changes in posture.
- changes in the growth of vertebrae (the bones that make up the spine).
- a forward bending of the spine.
- compression of the discs between the vertebrae.
- increased curvature of the hips & knees.
- decreased joint space in the trunk & extremities.
- joint changes in the feet.
- flattening of the arches.
The length of the bones in our arms & legs don’t change a lot.
Changes in Weight.
In men, body weight generally increases until their mid-50s; then it lowers, with weight being lost faster in their late 60s & 70s. In women, body weight increases until the late 60s & then decreases at a rate slower than that of males.
People that live in less technologically developed countries don’t show this pattern of weight change. This suggests that reduced physical activity & changes in nutrition may cause the change in body weight rather than the aging process.
Changes in Body Composition.
The proportion of the body that is made up of fat doubles between 25 & 75. Exercise plans can reverse or prevent much of the proportional increase in total body fat & decrease in muscle mass. This change in body composition is important to plan in your nutritional planning & your level of activity. The change in body composition has an important effect on how your organs handle various medicines. For example, when our body fat levels increase, medicines that are dissolved in fatty tissues stay in the body way longer than when our organs were younger & we were more muscular.
Other Changes with Aging.
Normal aging in the absence of illnesses is a notably benign process. In other words, our body can stay healthy as we get older. Although our organs may gradually lose some function, we may not even notice these changes except during periods of great exertion or stress. We can experience slower reaction times as well.
Aging Process – Normal Aging & Disease.
Aging & disease are related in complex & subtle ways. Many conditions that were once thought to be part of normal aging have now been shown to be due to disease processes that can be influenced by lifestyle. For example, blood vessel & heart illnesses are more common in humans who eat a lot of meat & fat. Similarly, cataract formation largely depends on the quantity of exposure to direct sunlight.
We should remember that there’s a range of individual response to aging. Biologic & chronologic ages aren’t the same. In addition, body systems don’t age at the same rate within any individual. For example, you might have severe arthritis or loss of vision while your heart functions or kidneys is excellent. Aging changes that are considered “normal” or usual aren’t inevitable consequences of aging.
Changes in the Regulation of Body Systems.
The way our body regulates certain systems changes with age; some examples are listed below.
- Progressive changes in the heart & blood vessels interfere with your body’s ability to control blood pressure.
- Your body can’t regulate its temperature as it could when you were younger. This can result in dangerously low body temperatures from prolonged exposure to the cold or in a heat stroke if the outside temperature is too high.
- There could be aging-related adaptations in the ability of your body to cause a fever in a reaction to an infection.
- The normalization of the quantity & makeup of body liquids is slowed down in healthy older persons. Usual (resting) levels of hormones controlling the amount of body fluids are unchanged, but problems in liquid regulation commonly develop during illness or excessive stress. Also, older people don’t feel as thirsty after water deprivation as they use to feel when younger.
What do these age-related changes in our body systems tell us?
- 1st, with advancing age, we become less similar to others biologically, so our health care needs to be individualized.
- Body systems that may be minimally affected by aging are often profoundly affected by lifestyle behaviors such as cigarette smoking, physical activity, &nutritional intake & by circumstances such as financial means.
- Finally, it’s helpful to consider ahead of time our possible elections in case certain situations arise. For example, if you become less physically able to take part in an athletic activity you did in the past, is there a different activity you might also enjoy? Are there other things you might like to try to keep your mind active? More serious situations to consider can include death of a spouse, or if you find your aptitudes becoming more & more limited. Have you ever discussed how you would like to handle these situations & your wishes with your family?
It’s important to remember that the ability to adjust & learn continues throughout life & is strongly influenced by interests, activities, and motivation. With years of extensive experience and reflection, we can rise above our own ambient. Old age, despite physical limitations, can be a time of creativity, variety and fulfillment.