Opinion
Saving The Aged From Alzheimer’s Disease
Alzheimer’s disease, named after the doctor who
first described it (Alois Alzheimer), is a physical disease that affects the brain. Alzheimer’s disease also known as (AD) is the most common cause of dementia. The word dementia describes a set of signs that can include memory loss and difficulties with thinking, problem-solving or language. These signs occur when the brain is damaged by certain diseases, including Alzheimer’s disease.
According to the World Health Organization (WHO) Alzheimer’s disease is the most common cause of dementia and may contribute to 60- 70% of cases. During the course of the disease, proteins build up in the brain structures called ‘plaques’ and ‘tangles’. This leads to the loss of connections between nerve cells, and eventually to the death of nerve cells and loss of brain tissue. People with Alzheimer’s also have a shortage of some important chemicals in their brain. These chemical messengers help to transmit signals around the brain. When there is a shortage of them, the signals are not transmitted as effectively as they should be.
In 2010, there were between 21 and 35 million people worldwide with AD. It most often begins in people over 65 years of age. In 2010, dementia resulted in about 486,000 death in UK alone. In developed countries, AD is one of the most financially costly diseases and the disease is now thought to be the third leading cause of death in the U.S., right behind heart disease and cancer.
The cause of Alzheimer’s disease is poorly understood. About 70% of the risk is believed to be genetic with many genes usually involved. Other risk factors include a history of head injuries, depression or hypertension.
However, age is the greatest risk factor for Alzheimer’s. The disease mainly affects people of over 65 years and above.
Many people fear that the disease may be passed down to them from a parent or grandparent. Scientists are investigating the genetic background to Alzheimer’s. There are a few families with a very clear inheritance of Alzheimer’s from one generation to the next. In such families, the dementia tends to develop well before age 65. However, Alzheimer’s disease that is so strongly inherited is extremely rare. But then, there is no definite cause of Alzheimer’s.
Alzheimer’s has three stages with different symptoms. The first symptoms are often mistakenly attributed to ageing or stress. People with AD have increasing impairment of learning and memory eventually leads to a definitive diagnosis. In a small percentage, difficulties with language, executive functions, perception (agnosia), or execution of movements (apraxia) are more prominent than memory problems.
Language problems are mainly characterized by a shrinking vocabulary and decreased word fluency , leading to a general impoverishment of oral and written language. In this stage, the person with Alzheimer’s is usually capable of communicating basic ideas adequately.
In the second stage, progressive deterioration eventually hinders independence, with subjects being unable to perform most common activities of daily living. Speech difficulties become evident due to an inability to recall vocabulary, which leads to frequent incorrect word substitutions (paraphasias ).
Reading and writing skills are also progressively lost. Complex motor sequences become less coordinated as time passes and AD progresses, so the risk of falling increases. During this phase, memory problems worsen, and the person may fail to recognise close relatives. Long-term memory, which was previously intact, becomes impaired. Behavioral and neuropsychiatric changes become more prevalent. Common manifestations are wandering” and irritability leading to crying, outbursts of unpremeditated aggression, or resistance to caregiving.
During the final stages, the patient is completely dependent upon caregivers. Language is reduced to simple phrases or even single words, eventually leading to complete loss of speech. People with Alzheimer’s disease will ultimately not be able to perform even the simplest tasks independently; muscle mass and mobility deteriorate to the point where they are bedridden and unable to feed themselves. The cause of death is usually an external factor, such as infection of pressure ulcers or pneumonia, not the disease itself.
The National Institute of Neurological and Communicative Disorders and Stroke (NINCDS) and the Alzheimer’s Disease and Related Disorders Association (ADRDA, now known as the Alzheimer’s Association, say there is no cure for AIzaheimer’s. Since Alzheimer’s has no cure and it gradually renders people incapable of tending for their own needs, care giving essentially is the treatment and must be carefully managed over the course of the disease.During the early and moderate stages, modifications to the living environment and lifestyle can increase patient safety and reduce caretaker burden.
However, lead researcher, Dr Shannon Macauley said a sensible diet; not getting fat; exercise; staying mentally active and engaged; don’t smoke; avoid sweets may help reduce the risk of contacting Alzheimer’s.
As Alzheimer’s disease is highly prevalent, many notable people have developed it. Well- known examples are former United States President, Ronald Reagan and Irish writer, Iris Murdoch , both of whom were the subjects of scientific articles examining how their cognitive capacities deteriorated with the disease.
Other cases include the retired footballer, Ferenc Puskas; the former Prime Ministers, Harold Wilson (United Kingdom) and Adolfo Suarez ( Spain ); the actress, Rita Hayworth; the actor, Charlton Heston; the novelist, Terry Pratchett; the author, Harnett Kane; Indian politician ,George Fernandes , and the 2009 Nobel Prize in Physics recipient, Charles K. Kao.
The impact of campaign against the disease is growing, but the stigmatisation and misinformation that surrounds dementia remains a global problem.
Meanwhile, Alzheimer’s disease has proven a lot of changes on the lives of the human being and the numerous changes it causes on the humanity regarding its harmfulness. Therefore, people of various ages should give maximum support to efforts at curtailing the spread of the deadly disease. Remember it could be our grandparents, our parents or even ourselves. So, it behoves us all to create awareness, spot the signs, love care, and support our elders because tomorrow might never come. All we have is today.
Tom is of Mass Communication Department, University of Maiduguri.
Adama Jibrin Tom
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