Were the human body compared to a machine by today’s standards, it would be considered something of a marvel that is far ahead of its time. In addition to bringing together multiple systems to work as one cohesive unit, it also has the ability to independently maintain relative amounts of consistency and constancy within and between these systems. Comparatively speaking, if a computer is infected by a virus the user typically has to manually diagnose and remove the virus, but if a person is infected with a virus the body is able to combat it without any external assistance. This process of maintaining homeostasis is what sets apart humans from machines. However, like with any machine, there are often scenarios where homeostasis cannot be
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In a way, it can be compared to a pregnancy as it takes place in three stages: mild, moderate, and severe. One stage can be distinguished from another depending on the severity of the symptoms, but it is important to note that these stages are not so clearly delineated in reality as some will overlap. In the earliest stages of Alzheimer’s, which can begin at age sixty or even earlier, the person will begin to experience difficulties with their memory or concentration. These can be simple things such as recalling a person’s name after being introduced at an earlier time, misplacing an object such as a wallet or jewelry, or forgetting to take medication 1, 4, 5. Additionally, they may have problems with organizing or planning simple things 1, 4. During the middle stage, which can last two to ten years, symptoms become more moderate as the person will have difficultly recalling memories or information about themselves 1, 4. They can also become confused about time and place and subsequently require more help with tasks. Personality changes can also emerge as they may become suspicious of others around then and develop compulsive behaviors 1. During the later years of this stage a person can also begin developing problems controlling their bladder
In a way, it can be compared to a pregnancy as it takes place in three stages: mild, moderate, and severe. One stage can be distinguished from another depending on the severity of the symptoms, but it is important to note that these stages are not so clearly delineated in reality as some will overlap. In the earliest stages of Alzheimer’s, which can begin at age sixty or even earlier, the person will begin to experience difficulties with their memory or concentration. These can be simple things such as recalling a person’s name after being introduced at an earlier time, misplacing an object such as a wallet or jewelry, or forgetting to take medication 1, 4, 5. Additionally, they may have problems with organizing or planning simple things 1, 4. During the middle stage, which can last two to ten years, symptoms become more moderate as the person will have difficultly recalling memories or information about themselves 1, 4. They can also become confused about time and place and subsequently require more help with tasks. Personality changes can also emerge as they may become suspicious of others around then and develop compulsive behaviors 1. During the later years of this stage a person can also begin developing problems controlling their bladder