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Clearing the fog around Alzheimer’s disease and dementia

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@fyinews team

19/09/2025

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fyi:
  • What is the difference between Alzheimer’s and dementia?
  • How many people have Alzheimer’s in Greece?
  • What are the symptoms?
  • Where is the diagnosis made?
  • What are the stages of dementia?
  • Is there a treatment?
  • Is depression related to dementia?
  • Alzheimer’s prevention
  • Where can I go for testing and information?

What is the difference between Alzheimer’s and dementia?

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Alzheimer’s disease* is a degenerative disease of the brain and accounts for 60–70% of dementia cases in older age. Dementia is an umbrella term that describes the symptoms caused by diseases that destroy brain cells.

*In 1906, the German researcher and pathologist Alois Alzheimer first described the illness that later took his name.

How many people have Alzheimer’s in Greece?

In Greece, around 50,000–60,000 new cases of dementia are recorded each year, mainly among people over the age of 65.

Overall, it is estimated that about 200,000–220,000 people are currently living with dementia, the majority of whom have Alzheimer’s disease.

The number of people affected by the disease reaches 1.5 million when we include caregivers and relatives.

Globally, it is estimated that more than 50 million people have dementia.

What are the symptoms?

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  • Memory loss
  • Difficulty with everyday activities
  • Confusion about time or place
  • Misplacing items
  • Poor judgment
  • Withdrawal from activities
  • Aimless wandering
  • Changes in mood or personality

Some of the symptoms above also place an added burden on caregivers.

Where is the diagnosis made?

In specialized Memory Clinics—clinics that focus on the assessment and treatment of patients with memory disorders—an Alzheimer’s diagnosis can be made with accuracy of up to 95%. First, a clinical, neurological, and psychiatric evaluation is carried out, and further tests are recommended as needed.

Screening is recommended for anyone who shows “suspicious” signs and, in general, for people over the age of 60.

What are the stages of dementia?

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Mild, moderate, and advanced. In the third stage, the patient is completely dependent, inactive, and unable to communicate with their surroundings.

It is estimated that, on average, about 12 years elapse from the onset of symptoms to the final stage.

Is there a treatment?

There is still no definitive cure for Alzheimer’s disease. However, there are medications that help control the symptoms and maintain the quality of life of people living with dementia and of their families. These medications are acetylcholinesterase inhibitors: donepezil, rivastigmine, and galantamine. An additional medication, memantine, is indicated for the more advanced stages of the disease.

Patients are also often prescribed antidepressant medication to address aggression, irritability, and other challenging behaviors.

Medications for dementia and Alzheimer’s disease are covered by EOPYY (Greece’s National Organization for Health Care Services Provision), with a 10% co-payment by the patient.

Is depression related to dementia?

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There appears to be an association between depression and dementia. However, it is not clear whether depression actually increases the risk of Alzheimer’s disease or simply represents an early manifestation of the disease itself.

Alzheimer’s prevention

Scientific research shows that Alzheimer’s prevention depends on adopting a specific lifestyle that addresses vascular risk factors (high blood pressure, diabetes, high cholesterol, smoking, obesity), through a healthy diet, regular physical and mental exercise, activities that stimulate cognitive functions, stress avoidance, and an active social life.

Where can I go for testing and information?

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Athens Alzheimer’s Association: +30 210 70 13 271

Hellenic Association for Alzheimer’s Disease and Related Disorders (Thessaloniki): +30 2310 810 411

Memory Clinics at public/private hospitals and at medical/scientific associations.

Sources

Eταιρεία Αλτσχάιμερ Αθηνών

Ελληνική Εταιρεία Νόσου Αλτσχάιμερ και Συγγενών Διαταραχών

Alzheimer Disease International

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