Physiological Changes Due to Aging
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Introduction
It is normal for human beings to grow old as years pass by. Normal body functions
worsen with as people age, making it harder to do the same things people did while young.
Getting old comes with a reduction in cellular function, which causes various health problems
where most organs and their functions are impacted.
Changes in Neurons
Neurons are the brain's nerve cells, and research has shown that they die off as people
age. One of the effects of neurons is that the higher their count is; the less significant behavioral
changes will be uncommon among the elderly. Aging also brings a worsening of sensory
abilities. Many older people are less stable and have slower processing speeds and weaker
memories. Both short-term and long-term memory retrieval is slower. The brain also loses mass
and volume as one age, making it smaller and lighter (Kail & Cavanaugh, 2018). Therefore,
more headroom means a higher chance of brain damage. Memory lapses are a normal part of
aging. This explains why people in their twenties frequently have comparable memory lapses
without giving them much attention. On the other hand, the link between Alzheimer's disease
and memory loss causes a lot of concern among the elderly.
Cardiovascular and Respiratory Systems
The respiratory and circulatory systems, including the heart, blood vessels, and lungs, are
also impacted. Damage to the heart occurs naturally with age. Lipofuscin builds up in the heart
muscle fibers as a natural consequence of aging (Kail & Cavanaugh, 2018). As the systolic BP
rises, the risk of various cardiovascular illnesses increases when arteriosclerosis occurs.
Connective tissue becomes more rigid due to cross-links generated between collagens, and