Alzheimers disease

Alzheimer's disease is a progressive disorder that causes brain cells to degenerate and die. Alzheimer's disease is the most common cause of dementia which is a continuous decline in thinking, behavioral and social skills that disrupts a person's ability to function independently.

The early signs of the disease may be forgetful of recent events or conversations. As the disease progresses, a person with Alzheimer's disease will develop severe memory impairment and lose the ability to carry out everyday tasks.

Symptoms

Memory loss is a major symptom of Alzheimer's disease. An early sign of the disease is usually difficulty remembering events or conversations. As the disease progresses, memory impairments worsen and other symptoms may gradually develop.

Everyone has occasional memory lapses, but the memory loss associated with Alzheimer's disease persists and worsens, affecting the ability to function at work or at home. People with Alzheimer’s may show the following symptoms:

• Repeat statements and questions over and over
• Forget conversations, appointments or events, and not remember them later
• Routinely misplace possessions, often putting them in illogical locations
• Get lost in familiar places
• Eventually, forget the names of family members and everyday objects
• Have trouble finding the right words to identify objects, express thoughts or take part in conversations
• Alzheimer's disease causes difficulty concentrating and thinking, especially about abstract concepts such as numbers.

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Personality & Behavior Changes

Brain changes that occur in Alzheimer's disease can affect moods and behaviors in a person. Problems may include the following:

• Depression
• Apathy
• Social withdrawal
• Mood swings
• Distrust in others
• Irritability and aggressiveness
• Changes in sleeping habits
• Wandering Loss of inhibitions
• Delusions, such as believing something has been stolen

Causes

Alzheimer's disease is caused by a combination of genetic, lifestyle and environmental factors affecting the brain over time. Sometimes, Alzheimer's is also caused by specific genetic changes that virtually guarantee a person will develop the disease.

These rare occurrences usually result in disease onset in middle age. The exact causes of Alzheimer's disease aren't fully understood, but at its core are problems with brain proteins that fail to function normally, disrupt the work of brain cells (neurons) and unleash a series of toxic events. Neurons are damaged, lose connections to each other and eventually die.

The damage most often starts in the region of the brain. The loss of neurons spreads in a somewhat predictable pattern to other regions of the brain. By the late stage of the disease, the brain has shrunk significantly.

FAQ's

What are the early signs of Alzheimer's disease?

Memory problems are typically one of the first signs to detect Alzheimer's disease, though different people may have different initial symptoms. A decline in various aspects of thinking, such as finding the right words, vision/spatial issues, and impaired reasoning or judgment, may also signal the very early stages of Alzheimer's disease.

What are the stages of Alzheimer's disease?

Alzheimer's disease progresses in several stages such as preclinical, early or mild, middle or moderate and late or severe. During the preclinical stage of Alzheimer's disease, people seem to be symptom-free, but toxic changes are taking place in the brain.

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