Dementia, like Alzheimer's disease, involves the loss of function and death of brain cells over time, making it difficult to think, learn and remember. (Image credit: Westend61 via Getty Images) Jump to:
Dementia is a group of diseases that affect memory, thinking, reasoning, and other brain functions. The condition is often associated with “neurodegeneration,” processes that destroy brain cells and worsen the disease. Alzheimer’s disease is the most common form of dementia, but there are other types.
Currently, more than 57 million people worldwide suffer from some form of dementia. People aged 65 and over have a higher risk of developing dementia than younger people, but the condition can also affect young people. Almost a third of people over 85 suffer from some form of dementia, indicating that the likelihood of these conditions increases with age, although not everyone develops them.
Diagnosis of dementia is based on several tests combined with the patient's medical history. There are treatments to manage the symptoms of dementia, but there are currently no medications that can cure the condition. Research suggests that maintaining a healthy lifestyle can help reduce the risk of dementia.
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