Question

Describe how diseases that affect the brain or spinal cord cause dementia?

Answer 1

Other disorders linked to dementia

Caused by a genetic mutation, this disease causes certain nerve cells in your brain and spinal cord to waste away. Signs and symptoms, including a severe decline in thinking (cognitive) skills, usually appear around age 30 or 40.

Step-by-step explanation:

Answer 2

Diseases such as Alzheimers disease can cause extreme damage to the brain. Parkinson's disease is another leading cause of dementia, and can occur later in the disease due to a head injury, or tumors.

Step-by-step explanation:

These certain diseases cause dementia due to trauma to the brain that the disease has caused, thus leading to it later on in life.

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