Dementia is not a single disease, but rather a general term used to describe a decline in cognitive function that interferes with daily life.
It affects:
- memory,
- thinking,
- language,
- judgment, and
- the ability to carry out everyday tasks.
Dementia occurs when brain cells are damaged, which disrupts their ability to communicate with each other. This can result from various diseases or injuries, but the most common cause is Alzheimer’s disease, which accounts for 60–80% of all dementia cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia.
When Does Dementia Occur?
Dementia is most common in older adults, typically appearing after the age of 65.
However, it is not a normal part of aging, and some individuals can develop it earlier, a condition known as “young-onset dementia,” which can appear in people in their 40s or 50s.
The risk of developing dementia increases with:
- age,
- family history,
- certain genetic factors, and
- lifestyle-related conditions such as
- high blood pressure,
- diabetes, and
- smoking.
While age is the strongest risk factor, dementia is the result of specific brain changes rather than aging itself.
Is There a Cure?
Currently, there is no cure for most types of dementia, including Alzheimer’s disease. However, certain medications and therapies can help manage symptoms, slow progression in some cases, and improve quality of life. Researchers are working on treatments that target the underlying causes, but these are still in development.
Some forms of dementia, such as those caused by vitamin deficiencies, thyroid problems, or medication side effects, may be reversible if the underlying cause is identified and treated early.
Symptoms of Dementia
The symptoms of dementia vary depending on the type and stage of the condition, but common early signs include:
- Memory loss, especially for recent events.
- Difficulty finding the right words or understanding language.
- Trouble with problem-solving, planning, or organizing.
- Confusion about time, place, or familiar environments.
- Difficulty completing everyday tasks that were once easy.
- Poor judgment or decision-making.
- Changes in mood, personality, or behavior, such as withdrawal from social activities or increased irritability.
As dementia progresses, symptoms become more severe. Individuals may lose the ability to recognize loved ones, become unable to communicate effectively, and require full-time care. Physical symptoms, such as difficulty walking, swallowing, or controlling bladder and bowel movements, can also occur in advanced stages.
Living with Dementia
While dementia is a challenging diagnosis, many people live meaningful lives for years after its onset. Early diagnosis allows for better planning, access to support services, and the use of symptom-management strategies.
Maintaining a healthy lifestyle:
- regular exercise,
- a balanced diet,
- mental stimulation, and
- social engagement
may help reduce the risk or delay progression.
Dementia is a serious condition that affects millions of people worldwide. Although there is currently no cure, early detection, proper care, and supportive therapies can greatly improve quality of life for those affected and their families.
Ongoing research offers hope that future treatments may one day halt or reverse the disease’s progression.
Real Estate Agents
It is important for real estate agents who work with seniors to be familiar with the onset of dementia in order to assist their clients.
Brian Madigan LL.B., Broker